Dean and Cas left the school hand in hand. They stopped at Dean's car, which Cas was impressed by greatly.
"Is this a 1967 Chevrolet Impala?" Dean smiled.
"Indeed she is. And a 327 engine under that hood."
"4 barrel?"
"Only way to go, my friend. I didn't know you were into cars."
"This car. My uncle Zach has one just like her."
"Nice. You have an uncle Zach?"
"Short for Zachariah. Shall we go?"
"We're waiting for my brother."
"Oh. Sam, right?"
"Yeah." Cas looked back at the school and saw a rather tall boy walking towards them. Dean followed his gaze.
"Hey Dean!" The boy called, presumably Sam.
"Hey, Sammy!" Dean replied.
"Who's this?"
"This is Castiel Novak. He's new here." Cas waved at Sam.
"Novak as in Novak Toys?" Cas smiled.
"I guess my father's pretty famous here."
"So Sammy, I was gonna have Cas come over. That sound good?"
"Sweet. The more the merrier."
They all got in Dean's car and drove to the Winchester's house.
"Sam, why don't you get something to eat while I, uh, entertain our guest." Sam went into the kitchen while Dean directed Cas to his bedroom.
"What does 'entertain our guest' mean?" Cas asked.
"Relax. I'm just giving you the grand tour." Dean replied with a smile. They went into his room and shut the door. There were band posters all over the walls and a guitar in the corner.
"You do play guitar." Cas recalled.
"Would I lie?"
"To get in someone's pants, maybe." They both laughed.
"Wanna hear me play something?"
"Sure." Dean got his guitar and sat on the bed, Cas sitting next to him. He began to strum the guitar strings.

I thought love was only true in fairy tales
Meant for someone else, but not for me
Love was out to get me
That's the way it seemed
Disappointment haunted all my dreams
Then I saw your face, now I'm a believer
Not a trace of doubt in my mind
I'm in love and I'm a believer
I couldn't leave ya if I tried
I thought love was more or less a giving thing
Seems the more I gave, the less I got
What's the use in trying, all you get is pain
When I needed sunshine, I got rain
Then I saw your face, now I'm a believer
Not a trace of doubt in my mind
I'm in love and I'm a believer
I couldn't leave ya if I tried
Love was out to get me
That's the way it seemed
Disappointment haunted all my dreams
Then I saw your face, now I'm a believer
Not a trace of doubt in my mind
I'm in love and I'm a believer
I couldn't leave ya if I tried
Saw your face, now I'm a believer
Not a trace of doubt in my mind
I'm in love, and I'm a believer.

Cas was nearly in tears. Never in his life had he heard anything so sweet. He leaned in and gave him a warm kiss. It wasn't the same as in the attic. This one was much more meaningful. He truly meant it. If Dean was willing to change the song lyrics like that, he must've been something special. Something different. They stopped and looked each other in the eye for a long time.
"Do you mean it?" Cas whispered.
"Do I mean what?"
"Are you a believer?" Dean smiled.
"Not a trace of doubt in my mind, baby." A tear formed in the corner of Cas's eye. Dean wiped it away with his thumb.
"Could you not leave me if you tried?"
"I saw your face, didn't I?" Cas gave him another brief kiss.
"This is crazy."
"I love crazy."