I was born a twin, and I always thought that was the greatest thing in the world. From the very beginning, I had someone who understood me, walked like me, thought like me, and always had my back. My sister Nancy and I were as close as two people could be. People said we were identical twins, but I never quite believed that. We looked alike when we were little, but as we grew up, we began to look more like sisters than identical twins. We grew up in Weymouth, Massachusetts, on a piece of land where my father grew vegetables. We had goats and chickens, and life felt full of simple joys. Our neighborhood was a mix of old Yankees, Lithuanians, Irish, and Syrian families. Everyone got along. But when my parents separated and my mother moved us to Quincy, everything changed. Suddenly, we weren’t welcome anymore—because we were Italians. When we went to knock on doors and ask if friends could come out to play, their parents would say, “Oh no, she’s sick today.” We didn’t understand why we we...