Something strange happens when Eddie starts playing that song and Steve isn't entirely sure what it is. At the start he's expecting maybe to be impressed by Eddie. Maybe be jealous of his talent. But by the second chorus Steve can tell he's really trying to perform this. And he's killing it.

And Steve couldn't look away if he wanted to.

He remembers, distantly, that date sort of ruined at The Hideout. Steve had looked at his date and seen the hero worship and adoration in her eyes as she watched Eddie. She'd looked a little like she was falling in love and Steve had been annoyed at it. Confused. He gets it now.

Something tells him his own expression isn't too far off, either...

"Wow..."