“During my career as a manager, most of the time I was winning,” Ruben told MUTV’s Mark Sullivan.
“When you are winning, you can say that you have convictions and you are loyal to your ideas, but you learn when you lose, when you are under pressure and I learned that when I’m under pressure, I’m stronger on my ideas and I keep with my ideas.
“Of course, it’s really important to feel the support of everyone in the club, especially the fans that help you, to give you that confidence to continue on your path, but that was the biggest learning point: when I’m under pressure, I can stick with my plan.”