"I might take you up on that bet some time." Some time when Isaac least expected it, Alan might slip up behind him and slide a hand down his pants to see.

Hands lifted to smooth over Isaac's back, his mouth tasting the sweat damp skin of his shoulder, licking at it and biting it as he felt Isaac press into him again. He let out a quiet moan, head falling away as he dropped back onto the pillow. "Maybe I'll make a gag for you."