Add Yahoo as a preferred source to see more of our stories on Google. Not sure what to write inside a birthday card to the guy who knows you better than most? That's where we come in. We've rounded up ...

8. Don't worry—becoming another year older doesn't mean you have to act your age. Happy birthday, bud! 9. We are lucky to be your aunt and Uncle, sweet Nephew. Keep shining like the bright star that ...