If you don't have a plan, you become part of somebody else's plan.
The traditional manner of taking psilocybin is to take a very healthy dose, in the vicinity of 15 mg. on an empty stomach in total darkness.
Psilocybin, tryptamine, is in my opinion the means to eliminating the future by becoming cognizant of the architecture of eternity, which is modulating time and causing history, essentially.