As someone mentioned earlier, it looks like his personal life has taken its toll on his game. He has had wretched luck with injuries but his terrible form when on the pitch did seem to start around the same time as his off-pitch issues made the press.
He looks like shit, like he hasn’t slept for weeks. Some people think he has booze or drugs issues. I don’t know anything about that but he certainly doesn’t look like a young, fit guy at the peak of his career. It’s a real shame because he is hugely talented.