It's really a shame for that smile to be small. Kate shifts forward just enough to kiss it, in the hopes that might make it grow a little. And also just because she can't resist, too, to be fair.

"If you like it, I will absolutely call you that more, sweetheart." Is it too much to use it again immediately? Oh, well. "I'm not trying to make you cry. If you're going to talk badly about yourself, though, I gotta tell you the truth."