As for temperatures, those who don't mind trading extreme winter cold for a relatively cool summer might like International Falls, Minn.

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"Well, that's absurd, because in winter it's cold and you can't go around naked, " Armani says, rolling his R s the French way, which in Italian is a slight idiosyncrasy of speech that exudes an air of aristocracy.

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Nardini says they both slept better and had more energy, and she didn't get a cold or the flu all month as she usually does in the winter.

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