A frequently heard advertisement on Chicago radio stations is for Heart Check America. The ad is a testimony: "I am a businessman in my mid forties. I eat well and exercise five times a week. I've never had any serious medical problems. But my wife begged me to have a heart check. The test is quick and painless. She said, 'What have you got to lose?' So I went. And are we glad I did. The doctors discovered major blockage in three arteries and I was scheduled for treatment immediately. Heart Check America saved my life. You may think everything is fine. So did I. Do yourself a favor. Schedule your test today." What if there was a procedure that could evaluate the condition of your spiritual heart, your heart for ministry? At the end of an intense season of ministry, I'm limping a little. When friends have asked how I'm doing, I've replied, "Well, my heart isn't working quite right." We occasionally use that phrase around Willow Creek. ...