Earlier quoted context omitted.
I've kind of wondered this over the years myself. The downsides of being in a rigidly-defined monogamous relationship are all kind of obvious, I think. Most people do not experience love or attraction as zero-sum games: you can have a "crush" or whatever on Person B without diminishing your feelings for Person A. So a person in a monogamous relationship is going to miss out on some positive physical and emotional con…
If someone truly loves their partner, wouldn't they be happy that their partner is getting more of what they need? Even if that is more sex? I honestly don't know the answer to this question. I've heard the optimal form of monogamy is when both partners fully give themselves to each other, and 100% seek the happiness of their partner. I was taught this in a religion. I can't logically understand it though. I can't im…
When analyzing my feelings after I got cheated on by a fairly long-term partner, I realized I wasn't upset she had had sex with another guy, but the rather the betrayal of doing so behind my back and trying to hide it.
This realization shaped my following relationships.
> I can't imagine being happy or maintaining my own identity without spending at least a portion of my energy on myself.
This is also true for myself, however it doesn't involve sex with others in my case. I'm content with my partner.