"The kind that travels in time and space. Well, usually. We're a bit landlocked at the moment," he answers with a frown. It's very troubling, actually. Not necessarily that he's forced to actually remain in the same place (though that is sure to get tedious soon enough), but the amount of pain it has been causing her. It's not the first time, and it surely won't be the last, so he has no doubt they'll get out of it, but that doesn't make it any more pleasant.