Oxytocin is active in evolutionarily old areas of our brain, outside of our conscious awareness. We simply have a sense that sharing with someone who has trusted us is the right thing to do.
后叶催产素活跃在我们大脑中较古老的进化区域，作用于我们的意识之外。我们仅仅感到与信任我们的人分享是正确的。