[This is a man who doesn't fully understand social situations. It seems odd to stand there holding a mug when there's a table right there, but he hasn't been invited to sit down. Also if he commits to sitting here, will he be abandoning the idea of reading his book?]

I suppose that's an apt description.

As for new abilities... this is a different planet, which may have different properties from the one you knew. It's not so surprising, especially given its propensity to connect to other worlds, that its magic might be easier to access, even for humans.