Description:Learn 10 fun facts about actor Matt Damon. Matt and Ben Affleck are childhood friends, and are also 10th cousins. Matt went along with the police on a real life drug bust while researching for his role in "The Departed". He lost over 40 lbs for his role in "Courage Under Fire", which led to health issues, almost costing him his life. His first encounter with his wife Luciana Barroso happened while he was hiding behind the bar where she worked.