The More You Know
No matter their clothes or how far away they were, their brother Jackson could always determine which twin was which. Jackson seemed to know Jenna and Jillian better than anyone else in the world, according to Bill and Sarah. Jackson is so familiar with his sisters that, according to their parents, he has even corrected them when they mispronounce the twins' names. Is it only a matter of luck, or may there be a sibling code to discovering who they are?