what's your greatest fear?

My greatest fear is to fail. It just totaly crushes me when I fail in myself, fail in my values and faith. When everything you believed in and everything you hoped for fails, then it's all crushing down on you. To fail. I don't want to fail. I am just so afraid to do so, but it seems like I can't stop it. Everything I try to reach is removes itself more and more away from me. It seems unreachable. It makes it feel like my greatest fear comes true. It makes me disappointed. I don't want to disappoint others. I want to reach what ppl expect me to reach, what I have expected from myself, but it seems too far away. Hopefully it isnt..