First off, never GPC'd it. Not ever ever.
Second off, my post frequency dramatically improved after 30. Pre-30 I was putting up .25 post/week numbers which is total ass. Now its something like 5-6 p/wk and I couldn't be happier or more fulfilled.
Third off, I'm old-man style cranky as eff now. No patience for crap <-- helps w/regulating inner tard levels