You find a strange remote with a red button and a green button on it and decide to press the red one

Your roomie Brutus walks into the room, a large musclegut having replaced his abs

"Hey uh..." He rubs his fat, rounded belly as it growls "..Do you think that this is just regular bloating, or..?"

He asks as you can see his stomach visibly getting rounder, and his body gaining fat on his ass and thighs as much as on his belly