Fool's Gold star Matthew McConaughey was forbidden by his parents from saying the word 'can't' as a child.

The 38-year-old who stars alongside Kate Hudson in the aforementioned romantic comedy told Bang Showbiz: "If we did [say can't] my dad would say, 'I beg your pardon, did you say you were having trouble?' So it would be, 'Yes sir, that's what I said.'"

There was one other word that was equally frowned upon in the McConaughey household. "We could maybe get away with the odd cuss word, but I remember the day I came home after I'd hear the word 'hate' at school and told my brother 'I hate you.' I mean, time stopped. My mother said, 'You said what?' That was a good whupping I got that day.

"They always taught me that we didn't always have to like each other so long as we always knew we all loved one another."