Human nature is such that monogamy is Posted on March 31, 2013March 31, 2008 by admin “Human nature is such that monogamy is a really hard thing to achieve.” — Sienna Miller Author: Sienna Miller Category: nature Tags: nature, Sienna Miller Spread the love Related posts: Our behavior toward each other is the Everything in excess is opposed to nature. Men are by nature merely indifferent to Romance and novel paint beauty in colors