You could make a choice to do *anything*, and that would get some energy flowing. It doesn't have to be perfect, or define you for the rest of your life. Check and see what clubs are in your area you might be interested in - even something like a
gem & mineral club - just something to get you out and connected with others. See if your library has a book club. We have a weekly paper here that lists all kinds of meetings, clubs, etc.
You might also read
The Teenage Liberation Handbook - it's very inspiring!