Seth has no idea of the context between the two of them, and has a feeling he probably never will. But considering the obvious relief Rush shows upon hearing Daniel doesn't know him yet, that might be for the best.

He'll probably advise Daniel to stay away, even if Rush doesn't care. If not for Rush's sake, then for Daniel's own. He can't really know whether knowledge of his future is even relevant - he doesn't really get all the complicated science behind all that, and no one really knows what happens if someone manages to get back through the Rift - and if anyone even has managed it.

He gives a curt nod, then hovers awkwardly. There's no way they can salvage this conversation into anything remotely casual, and he rather feels like he's caused Rush enough worry. And he's not sure he wants to know anything about Daniel's future. Daniel's life after returning to his home, even. Perhaps. Seth doesn't like to think about it. (Seth generally has trouble envisioning anything past the next week, ever since he came to this world, but he does know if he has a future here, he'd selfishly like Daniel to be in it.)

"Right. I'm sorry I..." he starts slowly, but he's unsure what to say, what exactly to apologise for. "I probably shouldn't... I'm gonna go." Real smooth. He's great at this. Fucking hell.