I sold my soul at the age of 8…
Knowing what you can and cannot articulate.
Learn how to listen.
Language. Listening to people who experienced something similar to what I did, so it feels like the same perspective, but they’re using words I never would have. Different people have come into my life, or movies or shows that have been personal motivational tools, and I get hooked on how some people can express themselves. Watching and learning and taking notes on others expressing their own selves has helped me find the language and courage to do the same for myself.
I’m better at expressing how I feel now than when I was younger. For me personally, formal higher education actually helped a lot. Spending multiple hours a day hearing other people discuss and express relatively complex thoughts made it easier to find ways to express my own thoughts.