"At the moment I am very happy in Liverpool," he told Gentside Sport. "I signed for four years and I will try to write my own piece of Liverpool history. I hope that in the coming years we will win many titles.
"Difficulties to adapt are normal. I have changed my team-mates, language, everything is a little trickier, but everything seemed logical and the move made sense.
"We have a group with four international central defenders so we take it in turns. Everyone has their playing time and the others don't impose on it. There is healthy competition."