Taking care of baby is demanding physically
I always say that it is important to acknowledge their 50%, because the vast majority of the blame on either side. http://health.revieweds.com/ Every relationship goes to open so that it can operate again. The problem today is that we do not realize that not everything is about relationships and feelings writes, spins and says is true Zama, but let's be aware of what it entails, "says Paul encamp.
Loyalty is rare
Fidelity is biologically good to stable pair created ideal conditions for their reproduction. Taking care of baby is demanding both physically and financially and for the development and survival is suitable when the two of his upbringing.
For loyalty then by nature speak almost nothing. From the perspective of scientists is fidelity and monogamy even exceptional, and the man is in this respect unique species.
A good example of how it usually goes in nature may be a small inconspicuous bird flycatcher Introduction Kyle Leon
When the researchers took blood and babies were doing genetic analysis, they found that the male Collared able to have not only his legitimate wife with which to build a nest egg that can withstand him, but he can still convince another female that he also descended eggs.
Behind that is then returned but only occasionally with a little assistance to abandon eggs. And it is not unusual for the other two takes more pleasure for a mistress who has a home of their unsuspecting male, but just for fun from time to time to enjoy rebounds with hipsters.
Promiscuous almost all animal species and approximately five-thousand species of mammals preserve fidelity roughly three to five percent.
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