Another interesting statistic to add to this: divorce risk increases significantly the more sexual partners you've had before marriage: http://onlinelibrary.wil

Another interesting statistic to add to this: divorce risk increases significantly the more sexual partners you've had before marriage: http://onlinelibrary.wiley.com/doi/10.1111/j.1741-3737.2003.00444.x/abstract http://onlinelibrary.wiley.com/doi/10.1111/j.1741-3737.2003..... However, cohabitation and sex with your eventual spouse before marriage helps your chances. This is all correlation, of course.