When taken as a generality and not a rule it's fine because, well...it's not totally untrue. There's just a lot less men that'll accommodate someone out of love (with it being unrelated to sex). A lot of it is evident in a lot of research and statistics, men fall behind in most areas related to basic love, care, and dyadic behavior. As a society we've kind of just accepted this.

I saw another passage from a book very popular among men and I was extremely disturbed because it basically said that women just don't understand--that a man's sexual desire is so overpowering that it's as painful as a mother (serious TW) seeing her baby be run over by a truck...and that women are frigid and cruel for not having more empathy for mens' deprivation. Why, yes, Joe, I don't understand nor do I want to. But yeah. It's just a passage that doesn't have any greater meaning, hopefully.