There is no such thing as failure, failure is just life trying to move us in another direction, now when you down there in a hole it looks like failure, and when you down down in the hole when that moment comes it's really okay to feel bad for a little while, give yourself time to mourn what you think you may have lost, but then here is the key, learn from every mistake because every experience encounter and particularly your mistake, are there to teach you and force you into being more of who you are.