Sounds familiar...
Mine has been diagnosed in the past with ADHD...The doc said a while ago that maybe he was using all the meth, crank, coke etc.(speeder drugs) as a way of medicating the ADHD. Who knows?
What i do know is he talks...alot. Fast and to anyone. I am so not a people person, so this makes me a little crazy.
I wonder if this behavior is something most addictive behaviors have. I often think it's like he can't stand to be in his own head because then he hears the voices, LOL.
Has to be talking all the time in order to keep the quiet out.