Just as the slave master required the slaves to imitate the image he had of them, so women, who live in a relatively powerless position, politically and economically, feel obliged by a kind of implicit force to live up to culture's image of what is female. ↗
If I had to describe myself to an alien I'd say I was bigger than the average human, enjoy a drink or two with a good meal and have a bigger head than most. I'd also say I'm really handsome - especially if they were a female alien. ↗