Asking "how do you develop taste" reveals that you don't have it.

If you believe that you're cool and you act like it, and other people agree, then you are cool.

Rick Ruben says "you've got to have confidence in your taste"

You can discover your taste by seeing what's different and resonates with others, and then sharpen it.

Discovering your taste is seeing what others resonate with and glomming onto it.