He drank too much and started acting like a complete 'imbecile'.
(..) Now, that's Lieutenant Dan. Lieutenant Dan! They gave you the Congressional Medal of Honour. Yes, sir. They surely did. They gave you, an imbecile, a moron who goes on television and makes a fool out of himself in front of the whole damn country, the Congressional Medal of Honour. Yes, sir. (..)1994 Forrest Gump