I think we should follow a simple rule: if we can take the worst, take the risk.

... no matter how great the differences are between men and women, the differences among members of the same sex are usually equally great if not greater.

If you change nothing, nothing changes.

Scientists still know less about what attracts men than they do about what attracts mosquitoes.

For men to be virgins, we think it's negative. We think that there's something wrong with them.

There is a rule in sailing where the more maneuverable ship should give way to the less maneuverable craft. I think this is sometimes a good rule to follow in human relationships as well.

Whatever a man thinks about sex, you can be sure that he thinks about sex almost constantly.