Well, it might have been a combination of the Khan Black/LOTS and Spartan. I honestly felt this surge of negative energy leaving me, replaced by a fearless energy coursing through my body. When I asked the chiropractor about it, he explained that some clients experience deep emotional releases some cry from sadness, while others laugh uncontrollably. He mentioned that the endorphins are now able to flow to the areas needing healing and oxygen was able to reach the tissues that need healing but to me, it felt like something even more profound