[In this case, Olivine's instincts are correct. If the two continue to get to know one another, he'll learn that Neuvillette doesn't lie, for better or worse. He might maneuver around the truth at times when necessary, but not lie.]

I've observed as much in others, you're correct. [Perhaps, at some point, they will have a conversation regarding strong emotions and how odd Neuvillette finds them, but he opts not to share so much so soon.]

I have to think there are others who have also recently arrived who desire to find a way home. Perhaps between all of us, we can solve this puzzle.