黑狗與憂鬱

最近在談二次大戰的書裡，看到邱吉爾以黑狗比喻憂鬱。昨天有人因羅賓威廉斯過世，貼出下面的影片，但有人不解為什麼用黑狗比喻憂鬱，下面有人寫了不錯的解釋

Black Dog is a very old metaphor for depression and seen in literature, cultural references and even everyday speech, certainly in the UK, if not elsewhere. Winston Churchill used it to describe his own depression, for instance, but he was by no means the first to do so..

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Robin Williams's death: a reminder that suicide and depression are not selfish