He said: "When I look back now and see myself shouting at the referee, I think it is better to show them a bit more respect really.
"You've got to remember when I first starting playing first-team football I was only 16.
"Any 16-year-old playing in big games will have their emotions all over the place. You are going to be a bit short-fused.
"But with age it has got better each year.
"It's a big week with Arsenal coming up so, hopefully, we can beat them."