She likes every smart man, doesn't really care about his personality. Maybe she does, but her brain doesn't. All it sees is the smartness the man exhibits. Once he is smart, the brain believes it's enough. I don't need any other characteristic it says...
She knows this is wrong and she can't keep on liking every smart man she sees. It doesn't work that way, her brain doesn't see it. As long as he's smart the brain keeps chanting.
What if he's egoistic? She asks... As long as he's smart, that should be fine the brain replies. What if he's mean? She asks. As long as he's capable of holding deep conversation her...