My own guess is that he's on some kind of assistance, probably has been since retiring. Tean years of competing, his testes sailed off into the sunset.
What we're seeing now is muscle memory in full effect. I remember one of those robert kennedy books. they had eddie robinson coming back after a layoff of a few years. In two months, he went from skinnnyfat slob to pro bodybuilder. muscle memory is a wonderful thing. Kevrone will be at old shape in 3 months, 20 pounds stage shy.