From a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural, a truly unnatural behaviour, one that goes against the law of nature, simply cannot exist, so it would need no prohibition. 

True happiness is independent of external conditions and of our inner feelings. Indeed the more significance we give to our feelings, the more we crave them, and the more we suffer. Buddha's recommendation was to stop not only the pursuit of external achievements, but also the pursuit of inner fe...

According to Buddhism, the root of suffering is neither the feeling of pain nor of sadness nor even of meaninglessness. Rather the real root of suffering is this never-ending and pointless pursuit of ephermal feelings, which causes us to be in a constant state of tension, restlessness and dissati...