We are shaped by each other. We adjust not to the reality of the world, but to the reality of other thinkers.
Religion is an insult to human dignity. With or without religion, you would have good people doing good things and evil people doing evil things. But for good people to do evil things, that takes religion.
― Steven Weinberg
(not to say that i agree 100% with everything he says, but the fact remains that monogamy is nowhere near as simple as hollywood would like us to think, and not necessarily the only viable approach to committed relationships)