In college, I worked at a school-to-farm program for high schoolers who needed a different kind of education than what public schools could offer them. I was working with one student in particular who loved photography. She also tended to see the world as black and white. If she perceived something as wrong, her mindset was fixed. If someone criticized her favorite singer, she would get defensive and fight back. Her fervor was so strong it was contagious, and for a brief mom

I had just picked my friend's toddler up from pre-school. We were driving back to her house, listening to music, talking about what we...