One Sunday afternoon several years ago my son and I were at the NASCAR race here in our town when I passed out and fell down some stairs. It was scary and painful. I still have the proof on my right leg of the fall. Over the next month I went to the doctor several times, had tests run and never found out anything that was wrong or that would have made me pass out. Especially all the tests on my heart came back fine. Our hearts are a very important part of our bodies. Without a heart that functions properly our health will deteriorate. The same is true for our spiritual lives. Our heart says much about us. Proverbs 4:23 NLT Guard your heart above all else, for it determines the course of your life. To guard our heart we have to watch what comes in and what goes out of our lives. Like the heart has to pump blood and circulates like through our veins, our spiritual hea...