Writing sparks

Recently, I've been so overwhelmed with other peoples' manuscripts, that I haven't had time for my own. It's hard for me not to be writing. I've felt cranky, and lost and moody and when I finally carved out some time to write last week, my novel-in-progress felt like a dead flounder on the page, which ramped up my despair level, as well as my need for chocolate. Why couldn't I write? What could I possibly do to work my way back into the writing zone?
But then, I began to finish up one...