Courage
Do one thing solo you'd usually skip
Go to a cafe, a movie, or a class on your own. Bring a book if it helps; the point is proving to yourself that you can show up alone and be fine.
Bolder~15 minBuilds action
Why this small step builds confidence
Going somewhere on your own that you'd normally skip shows you that your own company is enough, and that you don't need cover to show up.
Track this in SURGO
Confidence is built by doing, not reading. In SURGO this becomes a real rep that feeds your Confidence Index — do it, mark how it went, and watch the number move from what you actually did.