人们的性生理和性行为,是属于常态还是变态,如何划分呢?譬如说,男女性生活感到十分兴奋时,有相互咬齿的现象,这叫“情咬”,这是正常的;如果一定要把对方咬出血来,甚至咬下一块肉来,这就变态了。再如,“睹物思人”,这是一种正常现象,可是如果丢开人而单纯恋物,甚至如痴如醉,这就 For example, when the sex life of men and women is very excited, there is a phenomenon of mutual bite, which is called “sentimental bite”. This is normal; if it is certain Bite each other to bite bleeding, or even bite a piece of meat, it metamorphosis. Again, “see things think people”, this is a normal phenomenon, but if you simply throw away the fetish, even mesmerizing, this