This Nostradamus of love is otherwise known as John Gottman, Ph.D., professor emeritus

	Healthy couples make a minimum of five positive comments or gestures to each other for every negative one.

of psychology at the University of Washington, who has been observing couples for three decades. In one landmark study, he recorded fifteen minutes of conversations from seven hundred couples, comparing the number of positive interactions they displayed toward each other (such as smiles or compliments) to the number of negative ones (eye-rolls, sarcasm, or criticism). From that data, Gottman determined that healthy couples generally adhere to a “magic ratio” of 5 to 1