It makes sense according to evolutionary biology, men are just pump and dump whereas a woman will be pregnant for 9 and then have to breast feed and support her child for the foreseeable future. So it is in a woman's best interest to be as picky as possible compared to men where we have done our genetic duty as long as we didn't pull out.
nononono, you're taking him completely out of context, a man or a woman is not determined by their actions or beliefs, they simply are because they are.