You are so right... It's all about the ego. I think that most of the drugs feed our ego. (expect for LSD, that does the opposite). I'm realizing since not long that the happiness is inside me, but that my ego is won't let it go out by itself, like if he absolutely needs a mental or hormonal reason to be happy. But I deeply know that we have access to it at anytime, if we take the right path.
I will check this Dr. Morse for sure. I am working on personal development since a long time, and I think that I'm doing better each day on this planet.

Thanks a lot for your kind words StillWater. May the god of your choice, or the universe itself, Bless you.