She nods slowly, and some of this is by wrote, so to speak. She is placating, her hands palm up, and gives him his space. Assuring and not demanding, and most of all, not losing her patience with his questions.

"We are still determining that. What's happened is called Cross Dimensional Travel, and the study of it isn't... exact. This one appears to be at random, and currently irreversible with the technology we presently have. But we are working on it, to get ... get, people like you... home."

It hurts to say. Hurt to know she'll lose him. But it was what they always agreed on, and right now is hardly the time to tackle that when he can't even remember why it's hard.