What really happens to your heart when you're in love? Cardiologist explains

We all know the feeling of your heart skipping a beat when you fall in love, or being heartbroken...but what really happens to your heart when you're in love? To find out, Ann Possis chatted with Dr. Peter Crawford, director of the Cardiovascular Metabolism Program at Sanford Burnham Prebys Medical Discovery Institute in Florida. The good news? Actually dying of a broken heart is very, very rare.