I'm going to miss his childlike laugh. I'll forget the goals but I'll never forget that laugh.

I did think there were one or two referees who had a personal thing against me. It wasn't them versus Celtic - it was them against me! I just think they wanted to take me on.

Do I miss football in Scotland? It keeps you really alive, that's for sure. Your heartbeat fluctuates. I'm flatlining at the moment which is actually quite nice but you need to go up and down to stay alive.

I'm going to miss his childlike laugh. I'll forget the goals but I'll never forget that laugh.

Everybody at Barcelona loves Messi. They can't speak highly of him.

Fitness is a curve. You can be Lance Armstrong, or you can be really out of shape at the opposite end. People enter the curve wherever they are and then they can move up the curve, by better nutrition and better exercise.

Thomas Gravesen thinks he's broke his hand, but I told him that you play football with your feet and not your hand.