I wasn't always a writer. When I went to college and majored in fine arts, I was a painter. Then I was a stay-at-home mom.
Failure is a great teacher, and I think when you make mistakes and you recover from them and you treat them as valuable learning experiences, then you've got something to share.
Respect your efforts, respect yourself. Self-respect leads to self-discipline. When you have both firmly under your belt, that's real power.