See, I'm not sure about the advice to "just keep writing."
On one hand, if you're consistently putting out a thousand words a day, you know that you're definitely not becoming stagnant and passive as a "writer."
On the other hand, quite frequently when I follow that advice, what I write (often vast chunks of thousands and thousands of words) just end up getting tossed. That's what's going to happen to everything I wrote in the last couple weeks before I decided I was wasting my time and spent three days reading HOW TO WRITE A DAMN GOOD THRILLER instead of writing a word. Then I put the book down, replotted, started writing again, and now I'm back on track.
Did I waste all those hours, like a snake swallowing its tail? Maybe. I'm leaning toward yes. Hard to say.