"My relationship with my present wife is thrilling to me and I'm committed to it. But neither she nor I know what shape the future will come in. Sexual fidelity can't be the whole thing you hang your relationship on. If you really love somebody you want them to grow, but you don't get to define how that happens. They do... People have such a childish view of monogamy and fidelity... Human beings are sexual beings." Actor Ethan Hawke insists monogamy is overrated.