Yeah Me too. I experienced that too. I gained so much but it the end I have loss a lot. Maybe you cannot blink of an eye and make watch to market.
Well, it means that you are learning from your mistakes and making those failure as a ground for you to be enlightened, I myself don't let my big losses in life as failure but as a foundation for me to become braver and can handle and face things and challenges in the future.
I lose only when I do greed and do not wait for the good time and now my bravery is that I do not do greed and I wait for along time and wait for the time when the price of bitcoin will again start to rise.
I hope that this will happen because I have heard that after the mid of the year a good time comes for bitcoin and the price of each coin increase much higher.