Psychedelic integration — the work of processing an ayahuasca, psilocybin, or San Pedro experience after it ends — is recommended by nearly everyone and rigorously studied by almost no one. Drawing on the clinical and survey literature, this article separates what the research actually supports from popular retreat lore, including the real evidence behind the 'two-week plasticity window,' spiritual bypassing, and rushed life decisions. It also offers grounded, evidence-informed practices for the weeks and months that follow a ceremony.