You know, before this, a passion could come and hit you in the face, or maybe in your possible line of work, you might throw it away because you don't have a way of identifying it.
それがなければ 情熱が訪れて頬を打たれても あるいは望ましい仕事があっても それを見分けるすべを持っていないので 見過ごしてしまうかもしれません