Medical condition in which every time you are done screwing someone, you feel like staying away from that other person, as far as you can.
It takes no distinction among lovers, from fuck buddies to half-century marriages.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.