For a little while I wrote for a site that needed me to produce content on a daily basis. That content was kind of garbage and not stuff I’m proud of, however, it showed me that you really can will yourself to create. Once in a while, that stuff would turn out pretty good, actually..and it was all stuff I dreaded writing and did only because it was my agreed upon job with them.
So, I wont’ be going back to that kind of content, but it DID show me that writer’s block is largely a self-imposed problem. You can will yourself to write.