He's the greatest guy you know, your first best friend, a lifelong role model - where would we be without dads? But when it comes to writing out a card or wishing your favorite man a happy birthday, ...

Got candles? Cake? A thoughtful gift? If so, then all that's left is to warm up your vocal chords ahead of singing “Happy Birthday” and signing the card. If you've picked out just the right one, but ...