Lunch with "friends"

Have you ever had that moment when you're with people you think are your friends...when something clicks and you realize that they talk behind your back on a regular basis? I know I've mentioned how I struggle with REAL friends. And you'd think that I would get used to it. But...alas...it never fails to make me feel so low. No matter if I like the people or not. I had that moment today at a lunch held for a girl's birthday. And it ruined the rest of the time there. Darn...and I was hoping that these people were different