I guess many men know that it is usually a waste of time to try to reason objectively with women, since most of the time women would just emote in an irrational manner and made all the basic logical mistakes you can think of. Still, it is interesting to ask why, women, STATISTICALLY SPEAKING, are so incapable of reasoning from a logical and objective point of view. Recently, I have thought of an evolutionary explanation for it.
First, we need to know what kinds of things women depend on, since an organism develop an aversion towards a certain thing usually because the target threatens its survival and seeing what women rely on will tell us what method they used to survive. To know this, we need to look at what women are good at (statistically speaking, of course). 48 hours after birth, baby girls begin to pay more attention to human faces than baby boys. Girls and women talk much more about relationships and feelings than boys and men, and they are better at verbal and non-verbal communication. All in all, the female gender is more "social" than the other. In other words, females survive on manipulating other people, relative to males and statistically speaking. To manipulate others, you need to induce appropiate emotions in them, so that they will be motivated to do what you want them to do. Say, to get a man to help her beat up another man she dislikes, a woman need to induce anger in her man (e.g. "He touched my breasts!"). In other words, women thrive by creating affective states in people, particularly men (but bear in mind that these aren't neccessarily intelligent behaviors).
The point is that, logic would prevent this from happening. Back to the previous example, if the man question the woman, say, by asking her if she could provide any evidence that the target has indeed, groped her, her agenda is over. Similarly, if men begin to aks questions about the things Angry Harry mentioned (http://www.angryharry.com/), women can no longer acquire the disproportionate advantages they are currently having. That's why women are evolutionarily designed to reject logical and objective reasoning, because if they let men question them in an objective manner, they are doomed. The mechanism that promotes their survival is their horrifying tandrums when men attempt to use logics and reasons to make decisions.
Of course a scientific theory needs testing. My theory would predict that women should be particularly likely to emote in irrational manner when it comes to issues that affect them personally, say, feminist issues. Please bear in mind that I am talking about women in ancient times, not nowaday women. And I have to remind you that to break an argument, you need to either show that it is not valid, you may also choose to show that its premises are not correct, but personal attack won't break an argument, okay?
Lastly, what I am saying about women is STATISTICAL. This means that I won't say anything about individual women, and of course I admit that SOME women are indeed capable of rational thinking, but it is just that such thinking pattern is much more prevalent in males than in females.
By the way, anyone has thought of some other ways to test this theory?