No woman owes sex to no man. If you think that women have any kind of duty to sexually satisfy men, you are deluded and have very unhealthy and dangerous attitudes.
Contrast this with:
No boss owes a job to no potential employee. If you think that bosses have any kind of duty to employ you, you are deluded and have very unhealthy and dangerous attitudes.
Compare your reaction to the first and second sentiment. What accounts for the difference?
In principle "no woman owes sex to no man" and "no boss owes a job to no potential employee" are indeed closely analogous (I myself lean libertarian-ish so I agree with both), but empirically the kind of people who "think that women have any kind of duty to sexually satisfy men" and the kind of people who "think that bosses have any kind of duty to employ you" seem demographically and culturally different to me -- if anything, I'd expect those two sentiments to anti-correlate for hysterical raisins (e.g. the former i...
Speaking from personal experience, finding the right relationship can be HARD. I recently came across a rational take on finding relationship partners, much of which really resonated with my experiences:
http://waitbutwhy.com/2014/02/pick-life-partner.html
http://waitbutwhy.com/2014/02/pick-life-partner-part-2.html
(I'm still working my way through the Sequences, and lw has more than eight thousand articles with "relationship" in them. I'm not promising the linked articles include unique information)