Jealousy Monster

Primatologist Jane Goodall describes Passion, a female chimp who was tipping her buttocks toward a young male in the classic (for chimps) "come hither" pose when he ignored her and began to court another. Passion slapped him -- hard.
Bluebirds are also jealous. In one experiment involving a breeding pair, evolutionary biologist David Barash waited until the cock was away, and then placed a stuffed male on a branch about three feet from the nest, where the female rested. When the cock returned, he began to squawk, hover, and snap his bill in fury at the dummy. Then he attacked his mate, pulling feathers from her wing. She fled.

Women are more willing to work to win back a lover, while men tend to flaunt their money and status and are more likely to walk out to protect their self-esteem or save face.

A monster comes and you cannot hide,it gnaws at your soul then crawls inside.A aura of pity shrouds this thingwhile fear lays in wait on fetid wing.Paranoia shadows your injured pridedarkening the soul so hate can hide.When jaded fingers tend to pull the stringsa vibrant spirit no longer sings- EMILE