Allan, its the syphilis. Late syphilis develops in about one third of untreated people years to decades after the initial infection. Specifically, neurosyphilis (which affects the brain) occurs in about 5% of all people with untreated syphilis. Symptoms include difficulty concentrating and remembering things, irritability, confusion, delusions of grandeur, and erectile dysfunction (ED).
Remember when the tragically bone-spurred Trump told Howard Stern how “lucky” he had been not to have contracted diseases when he was sleeping around. “I’ve been so lucky in terms of that whole world. It is a dangerous world out there. It’s scary, like Vietnam. Sort of like the Vietnam-era,” Trump said. “It is my personal Vietnam. I feel like a great and very brave soldier.” Well, it appears he didn’t survive his Vietnam unscathed.