Never ceases to amaze me: how one can move between polar positions on a story in progress. Even within the course of a day, I can't wait to get to work on it again, so hopeful do I feel, and (contrariwise) I account it rubbish. It's nothing so virtuous as humility, this second position. Its rather a species of doubt informed by fear. Thinking something is pointless is not the same as wondering whether oneself is the best person for the job.
And so: Back to it.