Haven't anything better at all, actually, [says Alois, smiling like the sun—pleasant intent, sure, but there's something scalding about him. Basically, it's his habit to hang around being a brat. It's hard for most anyone to know what he's thinking, even if they've known him for the entire eight months he's been here... He's just too two-faced. So, right now, he's either beaming at Jasper, or mocking her.

Let's make it a little more apparent:]

I've been waiting my entire life to stand here, in this singular moment, and watch you cough our your Martian lungs. [He's convinced she's from Mars.]