 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, you know, 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, you know, take it easy. It's normal that your heart rate goes up with exercise.