Billy grinned and bit Frank's thigh. "Don't fuckin' rush me, Marine."

Still, when he was pretty sure Frank was ready for it, he eased in another finger. He licked Frank's dick, teased him a little as he tried to work him open. He didn't know what the fuck Frank got up to before the Marines, but he was pretty fucking sure he hadn't been fucking anyone except Maria, and him, and they'd never gone quite this far.

"Fuck, Frankie."