The restaurant was thumping, giving off the vibes of a club more than anything else. A DJ worked in the bar. Kat led me by the hand toward the back. The line at the bar itself was four-deep. No one noticed us slip through to the restrooms. I squeezed Kat's hand, and she turned and grinned at me. We both noticed it at the same time. Individual stalls with heavy, opaque doors. We passed a couple people in the corridor. When they passed, and it was empty, we ducked into a vacant restroom.

"Just use me, daddy," Kat urged, hiking up her skirt.

We had done this frequently enough that...