As usual you have me pegged very wrong but perhaps double that age, place the man in a leaky, moldy old shack where his almost 40 something boy child lives with him and they both struggle in poverty, mostly due to a lacking mindset and then go to the mirror and take a look. ;-)
Amazing no matter how poor you remain you always have internet and weed.
As far as the brain remark, name any intelligence test and lets all take it together. ;-)
*Boing*
That's the sound of your energy bouncing back off your extra large and high forehead. Better tape up those knuckles, they look a bit raw today.