Parents don’t tell you (even though they should) that it can be hard to grow up with a sister It means there’s there’s always someone else around, and, whether you’re older or younger, you two are always in each other’s shadows. When the two of you are small, sisters are in-house competition for any family attention and favor. And, because a sister gets to know you well, she can figure out every last thing that annoys you. This is knowledge she uses religiously. If someone meets your sister first, they may expect you to be a lot like her. You’re not. In spite of, or maybe because of their physical proximity, sisters can grow up only seeing how they’re different, believing they have nothing in common except relatives and DNA. Ask June Elbus in Tell the Wolves I’m Home how hard it is to have a sister in the house. At one point, Greta seemed like both a sibling and a friend, but now they fight all the time. They can’t help it; they’re such different people. Greta is self-assured, in high school and a gifted actress. June’s still in Junior High and shy. There’s a lot of emotional distance between them and,…