There is an important idea in Nietzsche, of Amor fati, the 'love of your fate,' which is in fact your life. As he says, if you say no to a single factor in your life, you have unraveled the whole thing. Furthermore, the more challenging or threatening the situation or context to be assimilated and affirmed, the greater the stature of the person who can achieve it. The demon that you can swallow gives you its power, and the greater life's pain, the greater life's reply.