It's impossible to predict in advance

"Good for you!" Su Yun looked at him with disdain."It's not a big deal."

Zheng Ren knew that Su Yun was just making a passing remark. If his mental fortitude was as good as what he said, he wouldn't have returned to Haicheng back then and prepared to give up his medical career to become a veterinarian.

To be honest, it would be a huge loss for Su Yun to give up on clinical practice.

To be able to master it after watching it once, this kind of talent really made Zheng Ren speechless.

"Brother Yun, you really scared me." Old he sighed and said,"in the beginning, I was still sure that when I inserted the needle, it definitely wouldn't Pierce a blood vessel." But the more I thought about it, the more nervous I became. Later on, I wasn't even sure if I had inserted the needle in the chest or waist. "

"This is a kind of obsessive - compulsive disorder, just like the female patient I met two days ago who forced herself to put on lipstick." Su Yun said in disdain.