[Giles understands. He knows the feeling - he's lost nearly everyone from home that was ever here - and he can't ever see them again unless Luceti brings them back.

So he's the last person who's going to deny Seto the right to be upset.]

We don't leave of our own volition, Seto. The ones who are sent home don't even get any warning that it's happening - one second we're here and the next we aren't.

It might not have been a promise that he could have kept. That doesn't mean he didn't want to.