Mindfulness isn't about making your heart open. It's about feeling however you feel, respecting that, and sometimes, saying no.About Cara Lai:Cara Lai has worked as an artist, wilderness guide, social worker and psychotherapist. She teaches teens and adults at Inward Bound Mindfulness Education, Spirit Rock, Insight Meditation Society, and UCLA.To find this meditation in the Ten Percent Happier app, you can search for “Boundaries: Saying Yes to Saying No.”See Priv...