In an interview, speaking of Roger Federer's break in 2016, the journalist Simon Graf said: 'He is not a machine, he plays tennis, he needs to enjoy it. His career was turning negative, he was the legend who would not win anything anymore. That was starting to bother him. He also understood that he could not win important matches anymore. He may be influenced by some comments too. During his break from tennis, he could realize if he still wanted all this.'