I became very successful at a young age... I had lots of opportunities and lots of power and had no idea how to focus it.
As a busker, one thing that does not work is self-consciousness. A busker needs to be working. A busker needs to shed all ego and get down to work. Play your songs, play them well, earn your money, and don't get in people's way.
You can't plan for the future, because some guy's going to land in a spaceship with three heads and a big beak and take over everything.