“into my room. *   *   * The last time I had sex was the night I left my husband. I packed my bags while he was at work and loaded most of them into the car. The furniture, the mementos, everything except my clothes was his to keep—where I was going, I wouldn’t need them. Then I waited in the hallway, sitting on a suitcase. Aiden arrived home at the usual time. The door jammed on my suitcase as he flicked on the light. “Hey,” he said, “what are you doing?” “Leaving you,” I said. Aiden continued hooking his coat on the hall tree. “Oh yeah?” “Mmm-hmm,” I said. “You seem to be taking it well.” He turned, taking in my suitcase and somber expression. “You’re … serious?” I’d never threatened to leave him before, but we had a certain way of talking, a light way, that made everything seem like a joke. As I held his gaze and nodded, realization dawned. “Shit, Anna.” He raked his hands through his hair. “I know we have problems but—” “I have Alzheimer”