MTE with the "yay Chonghua does a thing – wait wait I didn't mean it like that!" The foreshadowing was there, but very easy to see as her just being bitter about Da Liang's restrictions on women. It's definitely a tricky situation for Pingjing and Changlin House. Poor Tuoba Yu, indeed.

Might explain how Puyang "heals" the Crown Prince so quickly each time.
You know, I hadn't even thought of that! Yeah, that would explain how Puyang heals him so quickly. So much fridge horror. I feel even more like giving poor Yuanshi a hug, now.