Asking Eric: My sister outed a family paternity secret on Facebook

A 68-year-old man discovered he was conceived from his mother's affair after his sister posted the paternity secret on Facebook. He now faces uncertainty regarding his family medical history and whether to contact biological relatives. R. Eric Thomas provides advice on the situation, stating that posting this information on Facebook was cruel. He emphasizes that the news belongs to the individual, who should decide whether or not to share it with others.