It’s true that self doubt doesn’t let you move on. That’s why people need strong and trustful person beside them, who doesn’t let grow self doubt too big, person who belives in you and is there for you all the time you need, who has power to kick you out from safe-zone.

But also you have to remember that you can not put too much expectation to others, they are not always beside you, only when they have time and when they won’t forget your existence...

Hard to find but..I belive they exist..