It doesn’t matter if a woman’s not interested in you. It might matter if she has a partner (unless she’s queer, in which case she just needs a man to straighten her out). It could matter if one of your friends has already ‘claimed’ her, but maybe not — maybe all is fair in love and war. Pop culture says that men are at the apex of the pyramid and that society revolves around them, fulfilling their needs and wants.
Is it any wonder, then, that men grow up and are acculturated with a deep sense of entitlement? That they expect to always get what they want, and that they’re startled when they don’t? Nothing they’ve learned from society, culture, or socialisation has taught them otherwise, and when media does run counter to these attitudes, it’s often poorly received by men — it’s ‘women’s fiction’ or ‘chick flicks’ or any number of other ‘girlie’ things, not something intended for the consumption of society as a whole, and it certainly contains nothing for men.