Worst pain was a dental abscess. Most distressing pain I experience is C4 - 5 degenerative disc disease. This causes pain between my shoulder blades which radiates through the sternum and causes my left arm to go numb. Cardinal signs of a heart attack. I have experienced this pain almost constantly for the last 19 years. I have learned to live with it but what if I actually have a heart attack and these symptoms appear. I will ignore it like I do everyday. That's why it is distressing.
God thinks it's fun to confuse primates. Larsen's God!