Old Master Mao frowned and heaved a heavy sigh right in front of him.
"I don't know what's going on either. This child used to be so sensible and well-behaved. Even though he gave me things to worry about, his mental state was still quite normal."
"I suppose you won't believe me when I say this, but even now, I still haven't figured out how he ended up with schizophrenia and neurological problems."
Chapter 699