1. Confirm you have the ailment. If it's your first heartbreak, expect physical symptoms such as tightness of the chest (or nausea), loss (or gain) of appetite, and watery eyes (this is also known as "crying"). If you find yourself plotting revenge sex, then you're probably heartbroken. Imaginary conversations with the heartbreaker are also common, as is an avoidance of music by Air Supply and Barry White.