08/27/2012 10:26 am ET Updated Aug 21, 2013

WATCH: A Step Toward Becoming Happier, From Gretchen Rubin

Gretchen Rubin, author of "The Happiness Project" and "Happier at Home," recently joined me on Mondays With Marlo and spoke about the first step you can take towards happiness -- prioritizing the things you want and throwing your energy into what you want to change.

For more fantastic advice on lifting your mood, see Gretchen Rubin's tips on happiness:

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