For most of the thing you have to do in your life that matters, you have no past experiences about it. You are not competent before you accumulate a lot if exp

For most of the thing you have to do in your life that matters, you have no past experiences about it. You are not competent before you accumulate a lot if experience in it, which may or may not arrive, and late in life. But society assumes you know from the very first time.