The biggets benefit for me is a new sense of purpose. I feel more alive and alert than before b/c I have become more aware of my body and how to take better care of it. My sleep has improved, my immune system is ridiculously awesome and my temper has cooled a bit. I feel more in control, empowered and motivated to accomplishthe things I've always wanted to do.
To sum it all up, I feel more comfortable in my own skin.
Today is a new day. You will get out of it just what you put into it. If you have made mistakes, there is always another chance for you. And supposing you have tried and failed again and again, you may have a fresh start any moment you choose, for this thing we call 'Failure' is not the falling down, but the staying down.