The first time it happened, it was small. My mother-in-law, Delphina, mocked her friend Rosabel for not knowing what paprika was. I smiled and stirred the stew, cheeks burning — I didn’t know either. When Rosabel left, Delphina turned to me. “You should know these things. You embarrass Darian when you don’t.” Her words stuck like thorns. The next day,...