An-Like when Peter gets a wave of panic when danger is coming, he gets a wave of comfort when he's safe. A few scenarios where this happened with people

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The first time it happened was when May came home from a late shift at the hospital, donning her scrubs and tied up hair. The feeling made him feel all warm and fuzzy inside, it made his eyelids droop and hearing go fuzzy, it made his eyes calm and unmoving. It made him want to crawl into May's arms and stay there forever. The best way he could explain it was just completely and utterly content. May didn't ask questions when her fourteen-year-old nephew crawled into her arms and fell into the deepest sleep she's ever seen him in.

To Peter, it was like when the hair stood up on the back of his neck or arms when there was danger, expect his body just shut down when he was safe and happy. He would just melt into the nearest surface and hum lazily as a response to anything he was asked. He didn't really understand it but it was nice, having a break from constant panic. It became a routine between him and May, she would come home from late shifts to find Peter draped across the couch and they would spend the rest of the night cuddling and talk about how their day went, frequently they would fall asleep together and have to untangle from the other the next morning.

Peter couldn't help the excitement he felt when he knew his aunt was already waiting for him when he got home. Usually, he would do homework while glued to her side. She never asked why Peter did this, it wasn't like he hated touch, he had just never been a cuddly kid.

The next time it happened was when Ned walked up to him at school and asked him about the lego death star. He had never wanted to hug his best friend more then he did in that moment. So he did, he just pulled Ned into a firm hug and didn't let go for some time. Ned just quirked an eyebrow and hugged him back.

This started happening regularly, Peter and Ned would greet each other with hugs and forehead kisses in the mornings. And frequently hugged through the day; when they met up for classes when they saw each other in the halls when they sat together at lunch. Most people assumed they were dating but they weren't, Peter just felt so safe around Ned. When he thought about it it was like his bodies way of purring, telling him that everything is ok and that he can let his guard down.

The next time it happened was when MJ walked home with him after school, his normal alert barrier suddenly crumped as his eyelids drooped and his body sagged. MJ looked at him funny for a moment, she had never seen him this relaxed in, well ever. Sure he was incredibly relaxed around Ned and May, but never around other people. She was also extremely surprised when Peter suddenly turned to her and hugged her firmly, humming into her shoulder.

She froze for a moment, before hugging back, Peter gave nice hugs. She smiled when she realised Peter was basically falling asleep in her arms. She chuckled as she pulled back, he was a dazed smile on his face as they kept walking. He didn't even realise when he took her hand, but she didn't mind. She was enjoying letting her guard down around someone, especially someone like Peter.

"Why'd you hug me?" She asked, Peter shrugged.

"You make me feel safe." He said tiredly, yawning afterwards. MJ smiled at him, turning him toward her when they stopped outside her apartment block, she leaned down slightly and pressed a firm kiss onto his lips. Peter's eyes widened as she pulled away.

"Why'd you kiss me?" He asked sheepishly. MJ grinned and shrugged.

"You make me feel safe." She said.

It became normal for MJ and Peter to greet each other with hugs, quick pecks of the lips and hand-holding, except they were actually dating. She made him feel all fuzzy inside whenever he was with her.

Things like this kept happening when he suddenly felt comfortable around someone. With Natasha, it was during training when she checked him over for injuries and he just hugged her really really tight, she rose an eyebrow but hugged him back. The team was sure she was going to break his neck but when she pulled away and continued sparing with him, he had a dazed happy smile on his face as he fought her. Natasha couldn't help but melt every time this happened, soon he was greeting her with hugs as well, leaning against her on the couches and laying his head in her lap.

The next time it happened was with Steve, he was helping Peter with his history essay when he patted Peter on the shoulder. Peter got that familiar voice in his head that screamed 'safe'. He promptly turned around and fell into Steve's chest, hugging him tightly. Steve rose an eyebrow but pet Peter on the head. When Peter pulled back he acted like it never happened and continued with his essay, a soft smile on his face. Peter now greeted Steve with hugs whenever he saw him as well as Natasha, along with Peter draping himself across his lap, and snuggling up to him while doing school work. The team were honestly quite jealous but didn't ask why, because even Steve and Natasha didn't understand.

When Bruce asked him to help him in the lab he jumped at the chance, Bruce was brilliant after all. Peter, of course, didn't expect the feeling to come crashing down on him while Bruce was explaining a complicated formula. Peter nodded, his eyes growing lidded as he yawned. Bruce stilled when Peter pulled him into a hug but just smiled down at Peter. He had already realised it was a trust thing, and that Peter didn't really have any control over it. So now Bruce was added to the list of people he hugged in greeting. Sometimes Peter would come up behind Bruce and hug him, lifting him into the air unconsciously, Bruce honestly thought it was adorable.

When Loki and Thor arrived back on Earth, staying at the compound for a couple of months Peter was wary of them. His spidey senses made it very hard to trust new people, especially when Thor was all booming laughter and grand gestures. So he usually hung back with Loki whenever Thor was in the room, wincing whenever Thor spoke. The man was just too loud for his own good.

"My brother has that effect on people," Loki said softly, Peter looked up at him, his face twisted in confusion.

"What do you mean?" Peter asked, placing his drink down on the coffee table.

"I noticed he wincing when he first introduced himself, and the rapid blinking, and the heavy breathing. He makes you anxious." Loki said, Peter surveyed his face. He didn't feel violated or scared by Loki's observation, he felt comforted by it, that familiar safe feeling coming crashing down on him again.

Loki was surprised when Peter hugged him from the side but had seen him do the same with Steve, Natasha and Bruce. When he looked closer Peter's serotonin and melatonin levels heightened around those people he hugged excessively. He smiled warmly down at Peter who was slowly dozing off in Loki's grip. Pretty soon every time the god visited Earth he was pulled into a strong hug from Peter.

It was like Peter was ticking off boxes, the next person was Bucky, who had been letting him stick magnets on his arm all day. Peter hummed as he placed on the Spider-Man one on him. Bucky rolled his eyes but threw Peter a fond smile.

"Why do you let me put the magnets on?" Peter asked curiously, moving some of them around. Bucky shrugged, watching Peter's hands.

"It helps me associate it with something other than the winter soldier," Bucky said, Peter nodded, feeling that feeling crashing down on him. The admission and trust of Bucky made Peter do the same. His eyelids dropped and his head dipped and snapped back up.

"You ok kid?" Bucky asked urgently, Peter nodded with a lazy smile.

"Yeah, 'm fine. I get this thing, like my spidey senses, but instead of warning me of danger it feels me when I'm safe. Makes me sleepy, and huggy." Peter said, falling against Bucky's side, Bucky grinned and wrapped an arm around him.

"So that's why you hug some of us so much," Bucky said, Peter hummed.

"You should've seen me with May when it happened the first time." He said softly. When the team was informed of this information they all waited patiently for their turn. Now that they knew it was a trust and safety thing, they knew it was only a matter of time until he was doing it with everyone.

They were all very surprised when it was Scott who became victim to Peter next. Peter was studying in the kitchen, highlighting things occasionally, scribbling away at his notebook. Scott sat next to him, watching him for a while until he spoke.

"How's school?" Scott asked curiously, Cassie had just started Middle school, and he had never interacted with a highschool student. Peter shrugged.

"'S okay, really tiring at the moment because I have finals," Peter said, rubbing something out tiredly.

"I remember finals, gotta say, Pete, I don't miss them," Scott said, Peter nodded, when Scott moved closer to him he felt that warmth spread across his skin. He turned to Scott slightly before wrapping his arms around him, resting his cheek on the mans shoulder. Scott had been warned that this might happen, he was used to Cassie when she got really tired so he knew how to deal with it.

"How about we move you onto the couch," Scott said softly, helping Peter up who protested lightly, but let Scott lead him. The team had knowing smiles when they walked into the lounge room and saw Peter snuggled into Scott's side, who had also fallen asleep.

Peter honestly didn't expect it when it was Sam who made that feeling appear next. They were running around the Washington monument when Steve zoomed past Sam, "On your left!" He shouted, repeating this every time he passed them. Peter rose an eyebrow, he decided to stay back with Sam, but he hadn't even broken out a sweat.

"Why does he do that?" Peter asked, Sam was panting next to him when he answered.

"He's fast I'm not." Sam struggled out. Peter nodded.

"I have an idea." He said, he waited until Steve had passed when and waited until he was opposite them on the monument, he sped up as fast as he could and quickly gained on Steve, turning his head as he passed Steve.

"On your left!" He shouted while running past him. When he reached Sam again he slowed down, laughing his head off, he loved running, and the look on Steve's face made Sam and him stop in their tracks.

"Man, did you see his face?!" Sam said breathlessly, Peter just threw his head back and laughed in response, "You know, you're alright kid." Sam said, that feeling came crashing down on Peter's shoulders again, and he couldn't help it when he pulled Sam into a hug, both of their chests heaving. He crashed into him so hard he brought them to the ground. They fell to the ground with Sam on his back and peter awkwardly on his side.

"So we're hugging now?" Sam asked, smirking knowingly. Peter nodded into his shoulder.

"Felt right." He said, Steve ran past them, a confused look on his face.

The next person was Clint, it was during their weekly super smash bros competition. Clint was leaning heavily on Peter, trying to get him to press the wrong button with his weight, and the feeling suddenly came crashing down so fast that Peter crumpled under Clint. Clint was so scared by Peter's sudden fall he lost the game, Peter giggled as he moved to hug Clint around his middle, his cheek resting on his arm. Clint couldn't be mad at Peter who was already falling asleep on his arm. He just threw a triumphant look at the team who hadn't had Peter do his thing around them.

Pretty soon they were calling it his Peter tingle, it used to be another name for his spidey sense, but it changed into the Peter tingle. Rhodey thought it was hilarious and teased Peter about it to no end, until one day when he was the victim of The Peter Tingle. Rhodey was telling him stories about the Air Force when Peter suddenly hugged him. Rhodey wasn't a fan of hugs, but when he looked down at Peter, who had a soft smile on his face with his whole body relaxed he couldn't help but hug him back. Tony mockingly filmed the interaction, but in reality, he thought it was the cutest things in the world, his best friend and his totally not son cuddling.

Thor found The Peter Tingle fascinating honestly. Peter came to the tower almost every day and hugged a select few people hello, smiling in content, humming as he moved onto the next person. Peter would continue about his day, finishing his homework, sometimes training with Bucky and Nat, sometimes going to the lab with Tony. But usually the whole team were together, chatting aimlessly and doing random things. Sometimes cooking, watching movies, or laying around in pj's.

Peter chose to sit next to Thor, who had made a habit of quietening his voice. They got onto the topic of powers and skill. Peter kind of shrunk into the couch, he hated this topic. Sure there were cool parts of his powers, the strength and the agility, but some parts, like the Peter Tingle, were embarrassing. It was ok usually but sometimes it was frustrating how he had such an intense need for physical affection and contact. Thor noticed his discomfort with the topic and narrowed his eyes.

"Are you ashamed of your Peter Tingle?" Thor said out of the blue, Peter turned sharply towards him and nodded sheepishly.

"There is nothing to be ashamed of. It is a natural function of your body that you have no control of. If someone is not accepting of that then they do not belong in your life." Thor said firmly, Peter smiled at him before falling into his side.

"Thank you," Peter said quietly, closing his eyes and nuzzling into Thor, he was asleep in seconds.

"Thor, are you crying?" Tony said incredulously.

"Yes Stark son, I am crying," Thor said proudly, wrapping an arm around Peter's torso.