Psychologists have known for some time that optimism is a good defenseagainst unhappiness. But some of us are just not natural optimists. What are wesupposed to do? Positive psychologists believe optimism can be learned. All we have to do isto spend time mullingover all the things that have gone right for us, rather than dwelling on what has gone badly. 46.（ “Research on depression shows that one of the biggest causes of depression is ruminating about something that went wrong in the past,” says Baylis. You keep feeding it the oxygen of attention and the flames keep burning you.）
贝里斯说：“对抑郁症的研究表明，造成抑郁的最主要原因之一就是对过去的某件不顺利的事情耿耿于怀。”你的持续关注就像给它注入了氧气，使它熊熊燃烧不停地煎熬着你。
