Mental-health experts cautioned against trying to settle on an explicit cause when someone kills himself.

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The night he kills himself, Willy walks outside to plant some seeds in his garden.

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And then another suicide: Vin, who loved Avice I think, kills himself.

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And so this line captures the character of Nucky Thompson, it echoes a truth that Nucky realizes about himself when at the end of season two he kills someone who has been threatening his business.

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