We’ve heard of the physical effects on our body when we are talking to someone we are attracted to, like pupils getting larger or butterflies in our stomach.
Poets write about it, singers sing about it. We've all felt it at some time in our lives. There is even an entire industry that has been created around finding it, expressing it and maintaining it. But what is Love? What is really going on in our minds when we ''fall head over heels?'' Here's the science of it.