Eguller Yeah, not much to say. He knows he has it, you know he has it, and he knows that you know. It won't get talked about much between you. You'll be the same as always. Unless he's like my brother was and starts throwing in those 'they don't wanna fuck with a dead man', when guys were assing off on the course.
My brother got the '6 months' deal. It turned into 1.5 years. Science can do a lot of things, sometimes just overnight.
Treat him as normal.