Pretending to be simple (read: dumb) was certainly encouraged in my day (mother: "you should let him win at backgammon" me: "why? I'm a better player").
Girl-child was introduced to someone new on Thanksgiving, and she told me afterward, "your daughter is lovely; so pretty" and I wanted to say, "yes, and smart and hardworking, and accomplished...just to mention a few of her not-skin-deep virtues"
And then I stumbled upon this in Salon this morning, about The Most Beautiful Woman in the World.
"Any girl can look glamorous. All you have to do is stand still and look stupid."