Broken hearts are not just high school hyperbole. Some people really do experience a sudden temporary weakening of the heart muscle after emotional stress, such as the death of a loved one or a break-up. Sufferers typically have an onset of congestive heart failure or chest pain, but most people survive the initial acute event, and it has a very low rate of in-hospital mortality. Japanese doctors dubbed the condition takotsubo cardiomyopathy because sufferers’ hearts resemble what? Discuss