guy who does polysubstance in alphabetical order:
sunday: adderall
monday: cannabis
tuesday: dmt
wednesday: dxm
thursday: ketamine
friday: pregabalin
saturday: heroin
The holy grail of polysubstance dependence is the 7 day rotation. High every day on 7 different, fairly distinct drugs. It allows you to explore the depths of psychological dependence with zero concern for physical dependence. Learned about this from a hairdresser in San Diego.