As someone asked a question, someone else replied, "Don't you know? That boy following Princess Yanyao is her stepson, Wei Donglin. Didn't you hear him call her 'Mother' just now?"
"A boy?" the other person said in surprise. "That man looks to be around twenty; how can you call him a boy?"
"Wei Donglin is indeed twenty this year. But when he was five, he had a high fever that damaged his brain. His mental state has remained fixed at the age of four or five—or perhaps even worse than a normal four-year-old." Someone explained in a low voice, "In short, he's just a simple-minded child."
Chapter 201