You Think That Intelligence is Glamourous
You find nothing more disappointing than a gorgeous person who is completely vapid. You can't respect anyone who doesn't exercise his or her mind.
There's something incredibly appealing about someone who can speak intelligently about any subject at any length.
You also appreciate people who are well mannered and well behaved. Politeness goes a long way for you.
The most glamourous people you know totally have it together. Allure is never skin deep for you.