"I think serial monogamy says it all."
"I think if you're in a committed relationship, unless you have some sort of an understanding, monogamy is something that should exist."
"Marriage requires a special talent, like acting. Monogamy requires genius."
"Human nature is such that monogamy is a really hard thing to achieve."
"Straight couples don't have to be monogamous to be married or married to be monogamous. Monogamy no more defines marriage than the presence of children does. Monogamy isn't compulsory and its absence doesn't invalidate a marriage."