The secret to living a long life, says Ukranian goat herd Grigoriy Nestor, is never having sex with women. Nestor is 116 years old, unmarried. “People that were not married like me live longer. People who get married just argue all the time, and that’s not good for your health….People who know too much always come to a nasty end. Better to stay stupid and not wonder too much about anything.