Whoa, hey, he didn't mean to cause a fuss. Jack tries to wave Sinclair off, though he kinda has to concentrate on one thing at a time, moving a hand, then lining up words, then speaking them. The alien apathy's hitting him pretty hard and turning things he shouldn't have to think about into hurdles.

Of course, fully comprehending and worrying about this development is a set of mountains to climb all by itself.

"No, I'm just..."

...losing concentration, judging from the way the sentence wavers.

"I'll look inside in a minute."