You don't get good by worrying. You get good by loving to learn. I went to college at ten years old to learn to program. I had a job when I was 14 working on invoicing software for telephone companies. At 18 I went to university to learn engineering (structural). I lasted 8 months in industry after graduating because of how bored I was not learning. It's not a bug its a feature that there is so much to learn in CS. Embrace it. You're able to pay the rent in under a year and the sky is the limit to how much you can learn.