Xueba's Cool Knowledge System

Why can't pigs see the sky; Can you make real friends by selling other people's privacy? Why can a woman keep a secret only forty-eight hours at most? Why does a beautiful woman always let a pig hump her for the first time? ............. It is said that only super geniuses with IQs over 200 can crack the mysteries of the world's coldest knowledge. Real or fake? Doesn't exist. I have a cold knowledge promotion system, do you think it will work...