I guess that makes sense. I've done a lot of dumb things too, and I'd hate to break a promise.
If a promise is hurting more than it's helping it can be time to let go, though. Or think on why the promise was made.
That's true. [He looks back at Mad, patting her in the back friendily] So, I know you probably don't have the energy to do a lot now, but, how about breakfast? There were a lot of leftovers from that banquet yesterday, including icecream!
He means he took away and saved most of what was left over.
Well, the Chalice's kitchenpeople wanted to toss it all away! How can you even think of tossing away so much food without guilt? That Tsukasa man is evil!
Well, if nothing else, I bet that Resnick man would have approved that reasoning, and the food was from his people.
See? [He takes Mad's hand and tugs a bit] Come on, you look like you really could use something to eat and a bit of water. And don't worry, if anyone tries to give you a hard time on having fooled them while you're still too tired to get them, I'll just give them one of my super secret angelic suplexes!

[And she might notice how there is absolutely no change in how Pit treats Mad. Man, woman, who cares - she's a friend.]