Cao Pi is right on the money that would Daylight would appreciate the story. Upon finishing his tale, Day clearly perks up, squealing in joy while he clasps his servos together. It takes all of Day's strength to not outright go, 'Awwwwww!' at the end.

"That's so sweet!" He's never heard of this before and he's glad Sir Cao Pi is letting him know about this. Day will never admit it but he is a sap when it comes to romantic stories. "I don't know if Emer would ever, ah, cut something off of him for me but I like to think he'll be sensitive and thoughtful as the emperor and-"

"Oh." Something occurs to him just now, as if his processor (the sensible part) is going, 'Hey! Day! Notice this!' and he picks up at it. "I'm not the first you've....! Oh! You've someone's opal that contained memories of their lover too? Oh wow- It never occurred to me that similar memories might be out there-"

... Sometimes the dots will be presented to him but Daylight will, somehow, draw the lines in a completely different way. Atta boy.