My sister and I have always been close. We admire and respect each other and we "get" each other.
In fact during a concert that we attended this summer we both commented on how lucky we were to have each other and how happy we felt being around the other.
Science is on our side on this one. The BYU's Flourishing Families Project reports that young adolescents who had sisters either younger or older were less likely to experience negative feelings, such as loneliness and guilt.
In an article on MSNBC the study's researcher Laura Padilla-Walker, of Brigham Young University in Utah, explained that "even after you account for parents' influence, siblings do matter in unique ways. They give kids something that parents don't."