The more you read the more you understand that crowley was just an edgelord gothkid and that all philosophies and religions, etc, say the exact same things using different language.

One cannot merely get possessed against their will. If you're obese and feel that you have no will to resist overeating, that is the same as possession. All you have to do is choose exert your will. There is no outside force causing you to overeat. that is you making the choice.