 supervised circumstances where they can actually look at an EKG and see what's happening to your heart, replicating those bouts of exercise. So yeah, get checked out. I don't know what's going on, but I invite you to call us back when they find out what is happening with you. There's a chance they could give you a clean bill of health and say, yeah, take it easy. It's normal that your heart rate goes up with exercise. No biggie. Keep it within reasonable limits.