Doing a kindness produces the single most reliable momentary increase in well-being of any exercise we have tested. | Martin E.P. Seligman quote HD Wallpaper

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Doing a kindness produces the single most reliable momentary increase in well-being of any exercise we have tested. | Martin E.P. Seligman quote HD Wallpaper
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Doing a kindness produces the single most reliable momentary increase in well-being of any exercise we have tested. (Martin E.P. Seligman)

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