The first time I ever felt butterflies in my stomach was when I was 14 years old. My family had rented a house by the sea, and I'd become smitten with one of the lifeguards there. One night, when my ...

Heart racing, sweaty palms, boiling stomach... ah, love, that cocktail of sensations that we often associate with a magical encounter. But wait, are you sure you understand what's really going on in ...