Matt Damon on Sunday said he only recently stopped using the homophobic slur The actor said the word was 'commonly used' when he was younger He used the word in a joke to her daughters, and one of them wrote 'a beautiful treatise' about how the word is 'dangerous' Damon has three daughters - Isabella, 15, Gia, 12 and Stella, 10 - with wife Luciana Barroso The Good Will Hunting star told The Sunday Times he 'retired' using the word On Monday the actor denied ever having used the slur 'in my personal life' Damon added: 'This conversation with my daughter was not a personal awakening'