Can I do anything right?

Teenagers can really kill your self esteem, your belief in your skills, and shake the very foundations of everything you think you know about parenting.  Fuck me, this is hard.  I have never felt so incompetent in my life.  I think part of the reason I've been writing is because it's one of the things I feel like I do well, even if I'm not proofing or concerned with my punctuation.