08/27/2012 10:07 am ET Updated Dec 06, 2017

WATCH: The Link Between Fear And Joy, From Gretchen Rubin

I was joined by Gretchen Rubin, author of "The Happiness Project" and "Happier at Home" on Mondays With Marlo, where we discussed the link between fear and joy.

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

Tips On Happiness From Gretchen Rubin

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