to past Sonja: 

Go all the way, don’t waste your time on other people’s opinions (they are not even ‘experts’ on the subject or doing what you want to do!). Don’t waste your time on getting « ready ». You can start anyway and continue learning and perfecting while you go. But you must move on: everyday a little bit. Now go out and play, and have fun!

from future Sonja: 

Good job kiddo. See? I told you so. Persistance and believing in yourself has paid off. You overcame hurdles and resistance from others and yourself (all that self sabotaging bull*%t). By developing the habit of daily action even if you don’t feel like it, even if it felt like baby steps with no significance, you created the result. And you had so much fun on the road.