He doesn't like these mind games that the Admiral plays with them. Yes, you can help fix the ship, but only if you're forced to reveal something about yourself that you might not want to. He's not sure he wants to intrude on anyone in that way.

Still, he's here and Hanna has enough trust in him for that, so he doesn't force it.

"If you say so," he says because the light is starting to form under the water and Sheehan can't help but turn to look.