What can you do today that will increase your happiness for the rest of the week?

Do 5 little nice things for others.

Via The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work:

…individuals told to complete five acts of kindness over the course of a day report feeling much happier than control groups and that the feeling lasts for many subsequent days, far after the exercise is over. To try this yourself, pick one day a week and make a point of committing five acts of kindness. But if you want to reap the psychological benefit, make sure you do these things deliberately and consciously—you can’t just look back over the last 24 hours and declare your acts post hoc.

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