The famous phrase "You are NOT the father" on The Maury Povich Show was often accompanied by relief or explosive arguments. But for many men, finding out that the child you've been raising is not actually yours is nothing short of heartbreaking.
A 2005 study estimated that one in 25 fathers in the UK might not be biologically related to their children. And paternity test statistics show that many men worry about this kind of thing, as some geneticists report that almost a million paternity tests are carried out in the U.S. each year.
But that's just numbers – what about the real-life stories of people to whom this has actually happened? We've compiled the most infuriating, heartbreaking, and wholesome stories about fathers finding out the children they've been raising as theirs are actually not theirs biologically.