ArticleSure it’s really just a greeting card-induced holiday, but admit it, February is synonymous with love. This is the time of the year when we pay particular attention to our hearts and the people who fill them with love. While I’m a big fan of love, that shouldn’t be the only reason you think of your heart. Your heart is the most important muscle in your body: once that’s gone, your done. Like any muscle, to keep your heart strong and beating for years to come, you have to exercise it, consistently.