Because for most of history women were a resource/asset. The more used up an asset is the less value it has. And because of what it implies, the more promiscuous a person is the more likely they are to cheat.
Unhappy and I guess uncertainty is my maim concern. The current political climate and knowing it is far worse than it was 5 years ago. The realization that a lot of thing we saw some satirical articles about have now become reality. The decline of western nations.