The cupcakes are tooth-achingly sweet for someone with a Ninth House palate; the difference between Harrow and Gideon is that Gideon likes it.

But she's also thirsty, so she's pleased when Bar manifests a glass of creamy white liquid for her. Whatever it is (it's milk), it washes down the cupcakes perfectly. "So how old does this make you?" she wonders.

...is he even aging, anymore? How would that even work?