He's a little surprised by the drink, even more so when Herian is nodded to. For a couple of moments he wonders if he should simply drink it and then move on, like he'd originally planned. It isn't like he has a grasp of who she is. Cold and rocky as the Frostbacks one moment, heated and unrelenting like the Anderfels the next.

But Anders has been making an effort to at least be polite when someone's not being an ass to him, which means he can at least make the minimal gesture here.

He crosses over to the table. "Thank you for the drink." Obligation covered. But he lingers, because she's looking at the notes and they're of some interest to him as well.