Woman discovers favorite teacher from college is actually her biological sister

A New York woman was shocked to find out that her long-lost sister was not a stranger. According to ABC News, Diane DiProspero was put up for adoption as a child, and she’d been searching for information about her biological family. DiProspero told ABC News that she recently got a letter from the New York State Adoption Registry and found out her favorite teacher in college 30 years ago was actually her older sister. The sisters say they are currently busy making up for lost time.