It's not the time to look for excuses.
Anyone could become a star, but everyone must be a human being.
I am not the most courageous guy in the world outside of the court.
The young athletes are supposed to mature, to improve their personality.
I just try to win the match by fighting for every point, and running down every ball.
It is no longer enough to play very well. You need to be able to give an answer at all times and everywhere. You cannot hide. This has something to do with maturity, and that is something you only acquire over the years.