My pal has a word for the phenomenon of cats leaving chicks for other cats:
"Advancing Towards the Rear"
It was all summed up by a sign I saw at a fast food joint in my town:
YOUR CHOICE:
CHIX QUESADILLA
OR
BROWNIE DELIGHT
.99!!
My eldest daughter has a friend who's father left, had a sex-change, and is now a practicing lesbian. He/she/it likes girls, but wants to be a woman. Go figure. The friend refers to me as "adoptive dad".