Man's role is uncertain, undefined, and perhaps unnecessary.

the assumption that men and woman are essentially alike in all respects, or even in the most important ones, is a damaging one, as damaging as the assumption that they are different in ways in which they aren't different, perhaps more so ...

Men have always been afraid that women could get along without them.

The important thing about women today is, as they get older, they still keep house. It's one reason why they don't die, but men die when they retire. Women just polish the teacups.