FEAR

Don't let past experience stop you from taking another step in life.
Hint;"I fell when I tried to ride a bicycle I can never ride a bicycle".
NO that is fear speaking, ask your self why did I fall? How do others do it? How should I do it? Then try again until you get it, you will find more understanding of it when you don't giveup. Since others can, believe that you can. Those that won kept trying.

In conclusion, don't run from your problems solve them, learn from your mistakes and do what is right, don't let fear win let your self win.