http://online.wsj.com/article/SB10001424052702304444604577337951998961744.html?mod=WSJAsia_hpp_LEFTTopStories

Over the next year or so, Mr. Heywood grew increasingly nervous, warning some friends and business contacts not to discuss sensitive matters over email or by telephone. He began to smoke more, lost much of his hair and put on weight, according to several friends. One quoted Mr. Heywood saying he was under "intolerable pressure" from the Bo family. He told several friends he was planning to leave China next year.