body. jesus died for my body. the spirit lives in my body. so he better expect me to take care of it. actually, when daniel began to talk about the influence of poor health on your brain, that's something i cared about. >> see, that was the -- >> i cared about it. >> i don't want my brain shrinking. >> me neither. it is not simply to do food and fitness. you got to do focus, that's the change the way you think. you got to do friends. you got to get support group and you got to do faith and that is, what's your motivation, bigger than simply i want to look good? >> fascinating stuff, gentlemen. i think it's going to be a big hit. 40 days to a healthier life. rick warren, daniel amen, mark hyman. thank you, indeed. are you ready for this? i see quite a few nodding heads. rick, just final question for you. obviously, you said the most difficult year of your life.