Alice nodded eagerly and went on. “Elaine, it’s wild, but I actually do like snooker now. I never cared about it before, but suddenly, it’s fun. And it’s not just that... ever since my surgery, my tastes in food, my opinions, even my random preferences—they’ve all shifted.”

She looked at me, her eyes wide with curiosity. “Do you think it’s because of the heart I received? I read somewhere that organ transplants can bring some of the donor’s habits along with ...