From the "Blog comments that became posts that I could've used 10 years ago" file:
The commenter Onjibonrenat, on my post How to Draw an Owl, adds a few more steps to the process of achieving mastery: 1. Start 2. Keep going. 3. You think you're starting to get the hang of it. 4. You see someone else's work and feel undeniable misery. 5. Keep going. ...
-- Ben Casnocha
Do yourself a favor and read through the whole list. It'll only take a minute, and either give you the boost you need to keep going, or -- as it did for me -- help you realize how far you've already come (and how far you still have to go).
Update: YIKES... forgot the link! Sorry Ben!