Happiness up…Happiness down.

“A merry heart goes all the day. Your sad tires in a mile-a.”

William ShakespeareWilliam Shakespeare made that observation about the connection between the mental state and the rate at which we are able to function some 400 years ago.

I guess things don’t change much do they? Happiness, it seems, gives us more energy, while sadness makes us feel warn out.

Who knew?

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