Oh, come on! [ It's not even an exasperated come on.

No, Fabian is practically laughing throughout this come on. Or getting close to it, anyway. His smile splits his face from ear to ear, and he moves a hand to give his friend a 'helpful' pat on the back.

Which is closer to a friendly jock slap, but.. still. ]

Aren't you looking forward to it? None of these people remember you from freshman year! You could do your best to become the coolest person ever from their point of view-- until they meet me, anyway! [ Sorry, bro.

He'll let you be second coolest though. ]