Do You tell your girl EVERYTHING?

Friends are hard to find, and harder to keep, says an old proverb. But it's especially true in these days of backbiting, double crossing, and Hatorade.
Our close associates are a part of us: They know us and share common experiences that draw us closer to them. But is there a limit?
Does your BBF know all your business?
Many women will tell their friends how their man likes it in bed and his fave position and all that, oblivious to the fact that such knowledge may breed covetousness or straight jealousy.
In this day and age of the Internet, people know enough about you just by seeing a username or bio. To those people that you actually know, are you inclined to keep no secrets?