Kinoshita Nakui
To be fair hisnworries are warranted... Imagine how a higher tier cultivator could cut the girl in half if they were so strong on accident at the "Final moment" or the girl could make the guy into a eunuch with an involuntary errm pelvic muscle reflex during their peak. Now imagine getting frozen and burnt dayly!!! I just hope Li Nianfan resizes how powerful he is to SOME degree before or sometime soon after his kids are born!