No one knows you better than a sister-your dreams, your fears, your mistakes, and all your secrets. It was just that way when Jess and her older sister, Emily, were children. Born barely a year apart, they were deeply entwined, complementing each other in their differences. When Jess felt awkward and shy, Emily, the consummate big sister, was happy to take the lead. After a long estrangement, they've become close again. Jess moves into the comfortable...