Men have a built-in strong interest in women. It is most evident with the thirst. But it is is everywhere. Women count on it.
In my lifetime I have been in positions where I could grant favors to pleading people. Women would come and execute all of their feminine wiles in an attempt to make me give them what they wanted. Invariably, they were flabbergasted when their attempts were not fruitful. It was very evident on their faces that they expected to be successful. In reality, I treated everybody fairly and determined the outcomes based on the merits of the situation.
Then, of course, there is the case of the beta orbiter; a fella who hangs around a woman, often performing f (non-sexual) favors for her in a vain attempt to maybe be elevated in status to boyfriend at some later times. Women deny taking advantage of these blokes, but then they are often deliberately not introspective.
The list could go on and on related to situations where women take advantage of / are dependent on the seemingly undying interest of men. It is so common, that it is not seen, as when a fish swims in water without a bicycle. Here is the though experiment: what if the interest that men had in women was halved, what would be the results?