Don’t mess with Mark Wahlberg in the run-up to Christmas. Misbehave and coal in your stocking will be the least of your problems. The Hollywood actor - who stars in Daddy’s Home 2 - is the devoted dad to four children, aged between seven and 14. And he’s not afraid to be a tough disciplinarian to them, even in the run-up to the holidays. “You have to get old school,” he says. “No is a two-letter word they just don’t understand, it’s terrible. I always tell my son, ‘No means no’.