Matthew McConaughey refuses to take a DNA test to prove if he's actually related to Woody Harrelson McConaughey's mother once told him that she know Harrelson'

Matthew McConaughey refuses to take a DNA test to prove if he's actually related to Woody Harrelson McConaughey's mother once told him that she know Harrelson's father around the time he was conceived, which creates the possible scenario of their brotherhood