As Qin discovers his improvement, he gets excited. He didn't stop pounding her narrowed cave. After all, it was Qiao Fu who was putting all of her hope and moving up and down. Her effort were resulting in a massive pleasure gushing out to her brain.
At this moment, Dual Cultivation Body was doing its job which steadily improving his cultivation. Of course, he didn't reach another stage but it still brought him to the peak period of the third stage. And, during this time, he found another thing.
His physical strength was also improving rapidly. He didn't understand how dual cultivation could do such a thing but he didn't mind it either. After having a half-an-hour session with her, Qin separated from her and walked to the small pond outside.
After washing his body, he cleaned the room a bit and blew massive winds to clear the air. Only then, he called Yue Bin. Also, he asked Qiao Fu to leave. After a few minutes, Yue Bin arrived in his room and he quickly brought her inside.