C55 Disorder
"Mommy, have you felt any discomfort in your neck lately?"
Yin Zhenzhu rubbed his neck, "Un, my neck has been hurting a little these few days. I would have forgotten about it if you didn't say it, but how do you know that my mother's neck is uncomfortable?"
An Ruyou evaded her question, "I felt that mother loved to shake my head recently, so I guessed that you were not feeling well