Maybe Gokudera will just draw on his face while he's asleep. Then they don't have to worry about a pair of glasses getting broken.

"No, because you can't convince me I'd be cute with cat ears." He refuses to have his mind changed, thanks.

"Asshole-" Gokudera crawls closer to him, grabs a hand full of sand... and then tries to shove it down the front of the other boy's shirt.