article_snippet: The Old Trafford boss has been testing The Old Trafford boss players’ temperaments by giving incorrect decisions in training matches to wind his players up.
article_snippet: I am the referee in the games that we have had on the training pitch
article_snippet: and I have whistled in the way that they have to control they aggression, and to prepare they for the atmosphere,’ Manchester United manager Louis van Gaal said.
article_snippet: And I have mentioned that to they after lunch.
article_snippet: Control of emotion is also a talent.
article_snippet: But now I’m the manager here
article_snippet: maybe we can change that.