"A woman will judge how good a father her lover will be by the way he makes her orgasm."See the current issue of National Geographic.
This sounds interesting and I'll try to track it down - presumably you're mentioning it here because it implies that Ms Twain's approach to character judgement may be methodologically sound. Also, I didn't get around to watching Shrek on Christmas day, but it's one I really enjoyed.
What source did you use? Her lyrics? I was just making a half-hearted, spirited attempt to stick up for her, although i went off her music long ago.