Self-Trust
You already know. You've just been overruling yourself.
Rebuild the ability to recognize your own signal and act on it, so decisions stop requiring a committee of outside opinions before you can move.
Recognizing your instincts before you talk yourself out of them
Making decisions without needing external validation
Rebuilding trust with yourself after years of self-abandonment
Where to begin.
If you keep knowing what you want and then talking yourself out of it, begin with the patterns underneath self-abandonment.