Rafael Nadal is a 20-time Grand Slam champion because he has the utmost discipline and self control. However, off the court his will appears to waver when it comes to chocolate.
Nadal recently was a guest on Spain's El Hormiguero TV show, **and he admitted his biggest battle outside the lines is with his love for chocolate. He's currently trying to curve his bad habit of eating chocolate at night, and it's an issue his wife Maria helps him with.