Maybe all those books are wrong, maybe Kundalini does not feel like the heat everybody feels but as a gentle enlightening cool breeze that flows within your system. It is a loving and caring intelligent energy that don't want to hurt you, that nourishes your chakras body and soul. She can be your counselar a loving companion within. Is this not what whe all should be looking for then all those sensational based effects, if you discard this as completely untrue because of you current believes can you call yourself seekers of truth, ask yourself what are you seeking, are you seeking God, the spirit, or the atma, which is the beautiful reflection of God within youself, which is compasion, divine unconditional love or are you seeking sensation or pampering of your ego that you do this or that moves energys or obe. Do you think that is the perpose of humanity. Ask yourself; How much joy do i give to others, do others enjoy my present, am i a loving person, do i enlighten others? Am i a good man? Ask yourself if all these energy flowing through you because of your practices, does it enlighten you, is this energy joyfull, does it give me peace and mental and emotional balans. Ask yourself what you are doing, maybe you are doing it to become someone very interesting and like a big dominating person who thinks he knows it all. Aks yourself if this path which you are on, does it lead you to God? Or are you a person that only believes in the devil? ask yourself what it is you want to believe, what does this say about myself? Just introspect on it