With these circumstances it's always better to be on the safe side.
[What Jack really wants to say, or rather ask, is why-- how Glen is here. He shouldn't be alive, not if the seals were doing their job correctly. But he doesn't, because despite the chaos, things are honestly more relaxed than they have been for a long time.
So, although he is still uncertain about the situation, he'll take a seat and settle for peeeeeeking over at those pieces of scratch paper.]