When I was growing up, the words "I love you" weren't really in my vocabulary. I didn't say them to my parents, to my brother, to my friends, or even really to my girlfriends. That phrase just really made me feel uncomfortable. My wife on the other hand, tells everyone that she loves them and she really, truly means it. It has been such an interesting thing to witness over the years.This got me thinking about those three words and why we hold onto them so tightly, as if we can't say them to a...