Dragonlady
Designing Woman
Of course it has to do with sex. When I choose a partner it's because she's a woman, and I want to have sex with her. Sex is the main drive of just about any relationship. It's how we got all these people here.
When I choose a partner, it's because he's someone who shares my values, and life goals, who I respect as a person, and who I enjoy spending time with.
It's easy to find someone to have sex with. You can pay someone to do that. What makes a woman your "partner" is everything that happens OUTSIDE of the bedroom. If you had EVER been in a real relationship, you'd KNOW that.