According to social psychologist Elaine Hatfield, there are two distinct types of love: passionate and compassionate. Passionate love is all about (surprise, surprise) passion. It's those constant thoughts of the other person, and the butterflies in your stomach whenever you meet. Compassionate love, on the other hand, is about deep emotional connections. It's about trusting someone to be there for you when times get tough.
Curious about how to tell which is which? Check out this gallery to find out more.