Epic Beard Man... What happened to his Wolfman Jack voice after he became homeless?

What happened to make his voice change from a super gravely Wolfman Jack sound, to sounding clear as a bell, after becoming homeless?

And how did he become younger after he became homeless? Went from 67 years old at the time he beat up the negro on the bus, to 64 years old after he became homeless a year later.

Is it all just part of his mental illness?


This is how he sounded before he was homeless:




And this is how he sounded after he became homeless. Sounds like he removed 50,000 cigarettes from his past. The difference is dramatic: