You have to do more than just outshine the other bumbling bar patrons to impress a woman.

You see, attraction for females is weird and confusing and complicated. But there’s some good news: To win them over, you don’t have to be disarmingly good looking, have an eight-pack—or millions of dollars in the bank. Science proves there are some unexpected—even weird—behaviors, traits, and characteristics women find oddly charming in a man.

Check out 10 research-backed examples.