C157 Why is the mouth swollen?

Mu Nuanzhou touched the back of his head that was hit, and held his head back, saying while enduring the pain: "Dr. Fu, are you thinking that I came here to hook up with Xiao Zhan again today? "Oh, but that's not the case. Listen to me and save water, I'm here to return the goods. After returning the items, I found out that he had a fever, so I hurriedly called you. After I called you