Read Robert Wright's The Moral Animal.

Nice doesn't cut it. Nice isn't going to protect or feed her (hypothetical) kids, or provide her with good genes. In fact, it might be an impediment. Strength, wealth and status is. The guy in and out of jail probably has the first, possibly the second. As for the ones chasing unemployed men, you probably don't want those.

Read Robert Wright's The Moral Animal.

Nice doesn't cut it. Nice isn't going to protect or feed her (hypothetical) kids, in fact, it might be an impediment. Strength, wealth and status is. The guy in and out of jail probably has the first, possibly the second. As for the ones chasing unemployed men, you probably don't want those.