Some folks can learn things by listening, not by experience alone. Although teenagers seem to prefer doing it the hard way.
Chest pain caused by coronary artery narrowing is generally a heavy pressure sensation and is sometimes described as "not a pain" but as discomfort. It is not sharp or fleeting and tends to occur with activity and be relieved by rest. The symptoms are not always classical and if you have risk factors for heart disease you should talk to your doctor.