A pre-nup monetizes and, by definition, weakens the most important and potentially wonderful relationship in your entire life. When I met my wife, she was by far the poorest person I had ever met, but she is, also, the most loving, brilliant, beautiful and caring person I ever met. She brought infinitely more to our relationship and life than I could imagine providing for her financially. Simply because money is the only quantifiable component of a relationship does not mean doing so is the best route for either party. "It is better to have loved and lost....."