What is it about friends sleeping with exs that bugs us so much?

Is it instinctive? Is it evolutionarily adaptive to be emotionally and physically pained by such things?

Is it possessiveness that arises from shallowly defining ourselves through our possessions early on in life?

Is it the fact that every memory we have with that person is altered somehow by their sleeping with a friend?

[Previous Page]

Next...Tyrannosaurus Ex.

[Next Page]