The 26-year-old also admitted that he was unhappy with the weather in France and that he made a mistake in joining PSG.
He said in January: "What Liverpool do in this moment is amazing. "They're like a machine, they've found a rhythm and are like 'we play again, we play again'. "When you watch you think everything's easy, but that's not easy. "The guys are focused, they play games every three days and they win, they win, they win. To be as ruthless as they have been would come from lots of hard work in training and from having a very good manager."