[The only reason she doesn't stand is well is thanks to years of learning how to control her reflexes around mortals. If she let her instincts take over every time she was startled, she wouldn't have lasted a decade among them. As things are, though a line of tension pulls through her shoulders, all she does is tilt her head slightly so she's still got her eyes locked on his face. It's partially because of his abrupt standing, but also because this isn't something she talks about often. It's a little uncomfortable.]

I am.

[She keeps her voice even, almost conversational. Another skill she's honed over the years.

Most of what he's saying doesn't make sense, and bafflement flashes across her face as he speaks. In what she thinks is a helpful way, she offers:]

I think I'm the oldest person here.

[As far as she knows, Loki is only a few thousand years old. He could be lying, of course, but that's his business. The last thing he says, however, piques her curiosity, and she cocks her head to one side.]

There were never monsters on Themyscira. We trained for them, but the island was one of the safest places in the world. [A beat passes, and she asks:] Did these monsters hunt you?

[When combined with mentioning a legion and monsters, it's the only conclusion she can draw.]