Pieces of the Puzzle

Do you ever find yourself giving different versions of the truth to different people? I'm not talking about lying. I'm talking about guarding yourself. Everyone gets a portion of the puzzle that makes up me, but nobody has all of the pieces. Don't get me wrong, I wouldn't advocate sharing everything with anyone off the street. But, what happens when there are pieces of the puzzle that you don't feel you can share with anyone? What happens when you have no one in your life that could not only understand, but that you can trust not to judge you; instead hearing your heart with humility? I guess you feel alone, and maybe unimportant.