I watched him on Rogan, Theo Von and listened to his (mostly torturous) live X space with Elon - which was where Elon pitched him cold on Doge, as an aside. All live, unscripted, and extended performances. And just today i watched him speak impressively back in 2016.

I’m well aware, and I see nothing surprising or of particular concern for an almost 80 year old man who appears to be escaping dementia.