Now, that's an interesting #psychology study.

A proposal to classify happiness as a psychiatric disorder.

DM me if you want the PDF and don't have access to ResearchGate or anything

https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry/article/proposal-to-classify-happiness-as-a-psychiatric-disorder/98D0933E2287B957BC253348AB6FA6A8