"I think hydration is an important topic. Drinking plenty of fluids is especially important for athletes."
"I think it's crucial for athletes to get plenty of fluids whether their regime is intensive or not. For me, generally, I eat and drink a lot so that I'm always at the top of my game."
"How much you need to drink depends on a lot of factors. Are you training outside? Is it hot? Is it cold? There are a lot of factors to take into consideration."
"Should I get back to playing like the 18-year-old Mario Gotze again? I will never be the old Mario Gotze again."
"Every player develops over time, as does every team and every opponent."
"I learned a lot in Munich. I played with world-class players, matured, and learned from any setbacks."
"Every chapter in life helps you move forward."
"Xabi Alonso is a very, very intelligent and experienced player with an enormous personality."
"The Champions League enjoys a special status. It's the most attractive trophy you can win."
"It is always annoying when you cannot play and cannot help the team."
"Lionel Messi is a role model for everyone, including me."
"Looking back, it wasn't easy when the news broke that I was leaving Dortmund, but that's behind me now."
"I know some players who have played abroad. It was not always easy for them."
"I want to be healthy and able to play."
"Positions do not really matter."
"I get advice, but the final decision about my life is one I always take alone."
"I cannot do everything right, I need to have the scope to make errors. This is normal, as in real life."
"Gladbach are definitely one of the toughest opponents. They always play good football."
"It's great to see that there are Dortmund fans in every stadium. That is something that motivates you, and in the end, you look forward to games even more, especially Europa League or Champions League away matches, when you see how many fans follow us. It is something very special."
"It is always positive when you get a lot of praise, but you should handle it the right way."
"If you play well, you are praised; if you play badly, you are criticised. Everyone should try to manage it the way they want to."
"My first year in Munich was definitely not easy."
"When I came here, Bayern had just won the treble. I was injured, then I played two games, and was injured again for the following three matches. I spent three or four months living in a hotel. All of this, combined with adjusting from life at Dortmund, made it very difficult for me."
"Fitness is the most important aspect in this sport. You've got to feel good."
"To score in the World Cup final is not a small story, of course. Every footballer dreams of it: first to become a world champion and then, even better, to score in the final. This happened to me, and I'm glad."
