I believe that people start to get into trouble when they start to believe their own hype.
Look at what you want to change, gather a few people who believe in it like you do, and start moving forward. It's important to remember that you don't always need a destination. Sometimes, you just have to make forward motion. And you absolutely can.
Every Thanksgiving, we all write down three things we're thankful for and put them in a hat. Then we pass the hat around the dinner table and everyone has to guess who wrote what!
I can look back at things I've done and said and worn and be completely humiliated by them, but I can never say it wasn't me. I feel really honored to say that.