First Pussy Syndrome(FPS)
A condition which occurs with young males after they've had their first sexual intercourse with a particular woman and they become overattached with their first pussy. The condition often comes with feelings of extreme desperation and thoughts that he will never find a better one. FPS is often assoctiated with denial of common sense. Other related symptomes are: crying over the phone, stalking the pussy on social networks, loss of all self respect, etc.
Man, he wouldn't let her go, I think he has First Pussy Syndrome(FPS).