A brother is the one person who has a license to kick you when you're down. That's kind of their function -- to prepare you for life's hardships. But if you're lucky and he's older, he's also the guy you turn to when you need advice on the opposite sex. No matter his age, a brother's always willing to step in as your number-one protector, too. But what do you give your bro to show your love? We've got a few suggestions ...