This only works if you stick with every partner long enough to get a perfectly accurate assessment of them as a long term mate, that your assements are perfectl

This only works if you stick with every partner long enough to get a perfectly accurate assessment of them as a long term mate, that your assements are perfectly objective, independent, and stable, and that you know n. The amount of ifs, ands, and buts in this caveat means it's time to defer to one of my favorite xkcd's of all time. [0] [0] http://xkcd.com/55/ http://xkcd.com/55/