If you can do with an extra boost of confidence on your first date, you may want to reach for your fave fragrance. A study found that women who wear fragrances feel more confident -- a fact that in turn makes 'em appear more attractive to those around them. So, don't run out the door without spraying your signature fragrance. Bonus: Dabbing your perfume in a strategic spot like behind your ears is sure to get your date to lean in for a closer whiff.