Next he'll grow fangs and start drinking blood.

'Source'.

Well assuming we’re talking about Elon Musk, he has admitted to using prescription Ketamine for depression, which seems to have a negligible effect on cognition for therapeutic use

Interesting, I have seen some pretty scary interviews with Elon. If I had noticed a family member acting the same way I would have taken them to the ER.

Specifics? I haven’t seen him do anything worse than be overly blunt.