The first time it happened, it seemed trivial. My mother-in-law, Delphina, laughed cruelly at her friend Rosabel for not knowing paprika came from peppers. I stayed quiet, embarrassed, since I hadn’t known either. Later, Delphina scolded me: “You embarrass Darian when you don’t know things.” Her words cut deep. Trying to improve, I spent hours at the library learning about...