Do always opposites attract? (couple)

What makes that two individuals of different sexes are attracted is often a mystery. But surely meets certain instincts. And if a couple does not obey those instincts and confused to choose, it's likely that your future is complicate.

A good loving guidance takes into account the old saying "opposites attract". And indeed this key works in many screening protocols (also called dating). That´s why blond men like brunette women, or small girls are attracted to tall boys. And that also means that evolutionarily tend to avoid encounters between siblings or cousins​​.

Secret codes entered our DNA say cheese is good. Mixture of types or breeds offspring provides more possibilities foradaptation. We conclude that incest and racism are harmful to the human species, and believers should recognize behaviors that are contrary to the will of its creator.

But the attraction between opposites is not only involved when choosing a partner. Sometimes, a balance between the strange and the familiar, is essential. If only we would attract the different, end up trying to mating, with other species. And this (obviously) does not work.