Forced to retire early in 2012 after running into problems at work, Pius Leung Kwok-kwong, then 48, spent the following three months in isolation.“Everyone was at work, so nobody had time to chat,” the former workplace trainer recalls. Married without children, Leung’s relationship with his wife, who works in the financial sector, soon hit a rough patch because she felt helpless about his lack of direction.He spent most of his time at home, watching television, and trying to decide whether to…