For me, Serotonin is a 6 eyed red snake. When I experience Serotonin in my body, it feels like a fuzzy, warm light has encased my body. Serotonin is balance, the balance of the light with the dark, as well as the balance of the neurochemistry of the brain and the balance of the moods a person has. Serotonin teaches the magician how to balance the other neurotransmitters correctly, when doing inner alchemical work with the body.