Limerence, as posited by psychologist Dorothy Tennov, is an attempt at a scientific study into the nature of romantic love. The meaning of the word, which was coined by Tennov in 1977, is an involuntary cognitive and emotional state in which a person feels an intense romantic desire for another person, the limerent object. Explanation Limerence can often be what is meant when one expresses "having a crush" on (or infatuation with) someone else although limerence, unlike a crush, can last months… (More on Limerence)