The problem is, overt concussion may have less of an effect than a slew of frequent subconcussive head injuries.
Here is what Wikipedia writes about Mike Webster, the first football player in whom CTE was diagnosed. He was the legend, but please read about his post-retirement life. It was that of a bum, and not for lack of help.
en.m.wikipedia.org
With SB - could be Mexico, could be Hawaii, could be any country in the Caribbean. It is not even the paranoia per se that bothers me, it is the bizarre presentation and extreme disorganization.
Well, I hope he'll be brought back and get medical help.