“When you come to England and watch the games, you can feel how tough it is. In other leagues, you have some games that are really difficult and others that aren’t. Here, the season is very long and with many games. You have to play in midweek too and without a winter break.
Read more at http://www.arsenal.com/news/news-archive/20150525/ozil-the-reasons-i-m-stronger-now?#yisk6S6ZP3A58LTR.99