The horrifying evil marriage

Tang Jian knew that grandma and dad began to be cunt. Although he is less than 15 years old, he can read a lot of pornographic books and magazines at a high price from a Book stall. He has known about men and women for a long time, but he has no practical experience. But what grandma said made him feel very strange, what’s “mother made you lose your wife”? Didn’t mom die of dystocia? What does it have to do with grandma?