An-Tony realises Peter's been telling him I love you through Morse code.

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"Is that morse code?" Tony asked suddenly, the tapping of Peter's forefinger stopping as his cheeks reddened and eyes widened.

"Uh, yeah. Sorry I didn't mean to." Peter said sheepishly, tugging his hand under his thigh and continuing to write with his other hand. Tony stared at Peter for several moments, mouth opening and closing.

"Have you been telling me you love me for two years in morse code?" Tony asked incredulously. Peter looked up, face burning in shame.

"I, uh, I. I, well. Jesus Mr Stark I'm so sorry I don't know what I was even thinking." Peter blurted, hiding his face in his hands. Tony smiled softly, wheeling closer to Peter. Peter peeked at him through his fingers, flush spreading down his neck and through his ears.

"Is this when you fire me?" He asked shakily. Tony threw his head back and laughed loudly.

"No Peter, I am not going to fire you. Pepper would kill me. I was going to say I love you too." Tony said gently, setting a hand on Peter's knee. Peter winced at his words making Tony frown deeply.

"Why didn't you say it out loud?" Tony asked quietly. Peter sighed, dropping his hands and putting them in his lap.

"I just, just don't like how it sounds. Cause of stuff." He said softly. Tony nodded sagely, understanding that Peter didn't want to talk about it. He grinned and placed his forefinger on the table, tapping rhythmically. 'I love you.' He tapped. Peter looked up, a smile slowly tugging at his lips as he turned back to his physics homework with a small smile on his face. Tony had a matching smile on his face as he turned back to his own work.

If the team caught them tapping 'I love you' out in any and all available surfaces at any time of the day then they didn't say anything.