It closes the heart and mind off from the outside.

The F.E.A.R. thing. It has the power to keep you -- and  others -- from seeing your inner light. There are many types of fear. One type of fear comes from an unrealistic expectation that you should be perfect and not make a mistake. The outcome of doing nothing at all seems to stem from this expectation. One remedy to overcoming this fear is to become aware of your irrational self-beliefs. Translation: Don't let fear deceive you into thinking you can't do something. You can.  Life Is Fabulous!