Though this piece it was also not in direct response to an inquiry about memoir, it speaks to the excruciating pace of writing memoir.
Memoir must be done slowly. While there are moments when "ripping off the bandage" is what is needed, revision and constant re-exploration require time and patience. Nick's struggle with finding that pace is one that I hear a lot from my students, especially memoir students.
Many people are afraid of writing memoir, afraid that once they start it will, as he describes, "pick(s) up houses, trees, horses, toss(es) them about." What if you begin and can't find your way out again? What about all the triggers laying in wait?