Nadia arrived at 3:30. She looked tired. I kissed her and asked if there was anything I could do for her. She smiled wickedly and said loudly, so her mother could hear, "You could have, but according to our agreement, I'll wait until tomorrow."

I was sure Pearl heard her, but she didn't show any sign. I actually thought she'd volunteer to switch days, but Pearl did not offer it.

I whispered to Nadia, "That is what I meant by saying we shouldn't limit ourselves to a couple, with the 3rd person being an outcast. Bedroom doors better stay open, and each one who wishes can take part in the...