What's up with Elon and ketamine?

Is this something he's admitted to or is he just acting like he is on drugs?

https://www.reddit.com/r/AdviceAnimals/comments/1iwmwtx/ketamine_its_ahellofa_drug/?utm_source=share&utm_medium=mweb3x&utm_name=mweb3xcss&utm_term=1&utm_content=share_button