Guo Yuqing said, "Brother Mu, the reason why you can't cultivate internal qi is not because of your meridian or your cultivation method, but it is due to your constitution."

"My constitution?"

"Yes, your constitution is too powerful. Your strong physical body and vigorous qi are unprecedented in ancient and modern times, and they have never been heard of before. I think, you're fully aware of it yourself." Guo Yuqing looked at Li Mu still with shock and surprise ...