I continue to write soul as sould. It is my only consistent typo. My unease about it goes so deep that I try never to speak about it to anyone. Every time I write that word, I quickly erase the d and try not to think about it anymore. It’s like when you hit a bird on an empty street at night—you just fix your eyes straight ahead and keep driving. No one saw you; it’s between you and the bird. There’s nothing to be done about it now—it happened.