Be with the ones you love (and the ones that love you.) Ignore everyone else.
I do not think you can get rid of the fear... but you can dance with it.
The cost of being wrong is less than the cost of doing nothing.
Denigrating art you don't understand doesn't hurt the art - it reveals something about your willingness to learn.
Do the emotional labor of working on things that others fear.
You don't have enough time to be both unhappy & mediocre. It's not just pointless; it's painful.