"For instance, with the same meal, the old lady eats more, while Wu Wang is younger with a smaller appetite, so he eats less, resulting in a lower intake and milder symptoms. As for Little Star, he is still nursing and at most eats some mush, yet he is also poisoned. The old lady likes to have Little Star with her while eating, and sometimes she uses chopsticks to dip into the dish soup for Little Star to taste."
It was fortunate it was so; otherwise, the infant could have already perished, considering a baby's immunity and resistance are no match for an adult.
Dong Huiying sorted these thoughts out and began again: "There are many rare poisons in this world, and the perpetrator could have chosen more convenient methods. The intent to kill the old lady is clear, but they did not use arsenic or other similarly deadly poisons; instead, they chose a rare slow-acting poison."
"I've been pondering the perpetrator's reasoning for days, and it seems there are two main reasons."
