He visibly winced at the third finger, but the discomfort was completely lost with a sound halfway between a gasp and a groan as Stein touched his prostate.

Birkin shook his head slowly in response to the question. "Actually, you're only the third person I've had sex with." After saying it out loud he realized he worked too much and didn't take breaks nearly enough. Or maybe that was just the rum talking. "That's a little embarrassing, isn't it?" He leaned up and bit Stein's bottom lip gently.