"I major in traditional Chinese medicine. Your grandfather's illness is most likely caused by stagnant Qi.","Although this illness isn't serious, it can be quite bothersome. If you don't mind, we can exchange contact information later, and I can come to your home to take a look when I have time...","You cripple, what nonsense are you spouting You don't understand a thing, get out of here and leave me alone while I treat my illness."。