RB Leipzig midfielder Emil Forsberg admits Zlatan Ibrahimovic demands perfection from his teammates.
Forsberg says the Manchester United striker can be "annoying" when training with him.
The Swede told Spox: "He was my idol when small and it's cool that I had the opportunity to play with him.
"Zlatan can be incredibly annoying when you've had a bad workout.
"He can be right at you with questions about why you did a bad exercise, how it is possible to train so badly and why you were not focused. A little is joking but a little bit serious. That's how he is. He always wants to win and push his surroundings to new heights."