"There are three ways that I think infidelity hurts differently today. We have a romantic ideal in which we turn to one person to fulfill an endless list of needs: to be my greatest lover, my best friend, the best parent, my trusted confidant, my emotional companion, my intellectual equal. And I am it: I'm chosen, I'm unique, I'm indispensable, I'm irreplaceable, I'm the one. And infidelity tells me I'm not. It is the ultimate betrayal. Infidelity shatters the grand ambition of love. But if throughout history, infidelity has always been painful, today it is often traumatic, because it threatens our sense of self."

Esther Perel