I am not much experienced with stoicism, so I can't say.

My reasoning is that a crisis is generated by an unpleasant situation that may be difficult to identify, thus the feeling of powerlessness. By looking for what you want - or don't - out of life, and in an ideal situation (in front of death, a very personal thing where you don't have to deal with habits, job, or any external pressure), you can identify the elements in your life that suit you or don't, and act on it.