TRUST:
  1. A belief in the reliability, safety, truth, or ability of someone or something.
  2. To believe that someone is honest, good and will not harm you.

We have all had our trust betrayed and our hearts broken. It hurts! If we decide no one is trustworthy, we build a wall or shell around our hearts and refuse to let people in. This makes us skeptical, hard, miserable. Alternatively, when we feel our hurt, let it go and realize that some people are worthy of trust and some are not, we then can remain open and flexible.