"I started to travel like this at the age of 15 so for me, it's normal. Some days you get tired and you feel, 'I want to stay at home a little bit more,' but it's only the moment."
"I am not the most courageous guy in the world outside of the court. Being alone in the dark is something I don't like."
"Tennis is a hard sport. There is a lot of competition all year and you play alone."
