It would be a lovely story! If only I didn't already have so many plot bunnies. It is insane, I tell you.

he keeps forgetting that he's no longer able to just heal any injuries he sustains

Yes... and part of it is not that he forgets he is now far more fragile, but just that he accepts that he will break. After all, what worth does his life have anymore? If he can sacrifice himself for a greater good, wouldn't that be the best thing? Shen Wei has always been too eager to sacrifice himself - this situation would make it a thousand times worse.

I would not want to be in Zhao Yunlan's shoes.