The gender prism is just descending upon us. For instance, when we're girls of nine or 10 we may be climbing trees and saying, "I know what I want. I know what I think." And then suddenly at 11 or 12, the gender role takes hold, and adults tell us, "How clever of you to know what time it is." It happens to boys, too and even sooner - between five and eight. Before that, boys cry and express uncertainty.

The gender prism is just descending upon us. For instance, when we're girls of nine or 10 we may be climbing trees and saying,