If you look back to old interviews of DJT he generally has the same opinions but articulates his points in relatively "stable" way. Now it's like a middle schooler arguing opinions and strays the conversation away from objective, measurable talking points

We all know Trump lacks conscious awareness of his diet and generally sedentary life style, which to be fair is hard when you are the POTUS. However this certainly has an influence on mental health and I think that is what we are seeing, someone that is mentally deteriorating. He just happens to be the most power man on the face of the earth...