[He has half a mind to haul Diarmuid back to his feet, pick him up, and drag him off, but Archer thinks better of that plan. He can't let impulse get the better of him again, and for all his mocking he knows that at some point, he'll be kicking a hornet's nest.

So instead he lets Diarmuid stay put, choosing instead to watch Diarmuid's back, because he doesn't like the look in these fishes eyes.]

...we can't sit here. Something wrong, and we need to figure out what sooner than later.