My suspicions were raised initially by

Joey nods blearily. "S'right, you know, C. People do. They--. What're we talking about?"

And the rest of the beautifully drunken Joey, which had to be either you or no_pseud and I KNEW she'd written yours so...

And then it was confirmed by the Chris dialogue and the way he was pining. Plus, you know, it felt like it'd been written for me, which is always a dead giveaway that it's yours!