I don't know, and I like him myself too. A very good looking and interesting entertainer.
That's the thing will all our favorite porn stars, yours, mine, everybody's. Unless they meet an early demise or get in trouble with law, and while some make retirement announcements, most simply quietly walk away and fold back into whatever anonymous real lives and names they had before their stardom.
I don't like 'losing' a favorite either (where or where have you gone Joe Parker, Andrew Stark, Logan Vaughn...), but maybe it's a generosity too. By just disappearing they leave us with our idealized fantasies of what it would be like to get with them unharmed.
And who knows? Maybe Wolfe is just taking a long break. Paddy O'Brian himself went dormant for the whole second half of 2015 before coming back.