I get really annoyed when people say "I'm a failure," because really it's not true. Just because you fail doesn't make YOU a failure. God controls every life. So to say "I'm a failure" is to say that God failed just because you did. That's not how it works, I'm sorry. Failing isn't an excuse for not doing your best the next time.
So yeah, that was short. My brain is lazy right now. XD