Though she doesn't like water much at all, she does still drink it on occasion. And since Kurt has been so kind as to provide, she will very carefully drink some. It doesn't do much for her (her nutritional requirements are vastly different from humans and apparently some mutants), but it's the thought that counts. And she's making an effort for him, which she does for so few people.

A small smile cracks her face as she twists the cap back on the bottle. "It isn't heat that gets me, it's humidity. I can't stand when things are... sticky."