SHHHHHHHHHHHH! It's a Secret!

Many of you have heard about Post Secret. People post their secrets on a 4X6 card and mail them in. The theory is that you get to share something (and one assumes feel relieved.... like absolution for a confession I guess?) and remain completely anonymous. Some of these "secrets" are funny (my favorite is the LSD one), some are poignant, some sad. But do you know the number one secret people put on a postcard and send in? Let's see if you can guess.....