You hug your friend. You kiss your friend on the cheek. You plop a big, wet kiss on your friend's mouth. Wait, what was that last one? Kissing one's friends isn't as uncommon as you might think. Many ...

DEAR MISS MANNERS: I have a dear friend who, every time I see her, insists on greeting me with a kiss on the lips. When I attempt to turn the other cheek (pun intended), she firmly redirects me back ...