Thank you! I myself go through phases of really good commenting, in between being a bit crap.
The other day, I read an awesome article on free will, I think it was by @kyriacos. Anyway, I spent ages formulating a great reply, then just suddenly realised. My god; I'm completely waffling!
I've left it to go back to, but yeah, sometimes, I'm just not feeling it. Which I guess was my point, sometimes if you're not feeling it, just leave it and come back later. :-)
Good advice