I was in fourth grade when I found out that my Aunt I is a lesbian. I overheard my mom, on the phone, say, “my gay sister.” I was shocked. Growing up, I had never thought of my mother’s sister and her partner, Aunt T, as romantic partners; they were just my aunts. My mom explained to me that she never told me about my aunts’ sexuality because she assumed I’d figured it out for myself. And besides,...