首先批评一下刀教授。上次说什么把性生活当competitive sports是为了生物进化。还是学生物的吗。
看一下动物世界,公狮子通过打架胜利争到了地盘,也同是争到了和母狮子的Mating Rights.
随便公狮子怎么样,有母狮子在交配结束后,说:Hi dude, you didn't do a good job, I am leaving.的吗
OK. The best penis is in the body of the beholder. Size matters, but not that much !!!