Frank nodded, panting desperately. He met Billy's movements now, rocking between Billy's cock and his hand. He wasn't far off either, not with the way that Billy was moving, or touching. Frank reached up and cupped the back of Billy's head.

"Do it," he breathed, turning his head a little, looking up at him. "C'mon, baby. Oh, shit. Fuck, me too, Bill, 'm gonna... fuck."

Almost there.