C178 Inexplicably Irritated

"What other reason could that be? Of course, it's more profitable to do business than to be a doctor! Besides, being a doctor is a pain in the ass, isn't it? Wasn't it dirty to walk around in the hospital every day? Besides, when he was treating patients, Mr Mu kept a straight face all the time. Which patient would like it? Being a doctor is definitely not suitable for him