Yes, quite often.
I don't think we would actually be human if we didn't question ourselves.
I can't see how I can since I have no answers.
Sometimes, but I never worry about it.
yes.
Constantly---it goes to "formation of conscience."
It is not a burden.
It helps my mind remain alive at least until my body dies.
If you aren't questioning yourself, you are not living your life to the fullest.