Puer Malus Theory

The psychological phenomenon when one associates a fuckboy's ugly personality with their attractive face, making the fuckboy permanently ugly from that person's eyes.

1 week ago
Ansley: "OMG that boy is SO cute!"
Today
Ansley: "That fuckboy told me that no one should migrate into the US when he's an immigrant himself OMFG he's SO ugly!"
Eduardo: "Yeah remember last week you thought he was cute? That's because of the puer malus theory."