If you are in a position to work for years on a philosophy to give you a reason not to commit suicide, then probably you are not really in the kind of position

If you are in a position to work for years on a philosophy to give you a reason not to commit suicide, then probably you are not really in the kind of position from which people normally commit suicide. Existentialism is a hobby and a thing to talk about, not a tested therapy for major clinical depression.