1.  Although the author didn't give us the reason why this approach is beneficial and efficient, we can guess the main reasons are as below.

2.  At the beginning of article, the author gave an example , pointing out that a man never comes up with the right answer when a woman asks him 'How do I look'.

3.  In the end, there's no conclusion given by the author.

4.  However, most women argue that their becoming obsessed with trying to look more attractive results from men's wants , which the author gives two responses.

5.  But with the reasons the author gave that why women do this , I can not agree completely.

6.  In the text, the author give the opinion that men and women think of their looks in the different way, what's the reasons for that?

7.  What's more, the author gives us some ideas about the relationship.

8.  In the first part of the article, the author gave us an example: she was suspected because of her black skin.

9.  Moreover, the author doesn't give proper explanations of the accurate data mentioned in the argument.

10.  The author gives the exact relationship between the limiting rate and the reduction rate, so the exact reason and data is also recommended.