[Spoken from someone else, those words would be treason - reason enough to qualify for reconditioning-- or worse. 2187's attention shifts sharply, fingers gone still over polished armor, stare searching. It could be a test, Phasma was always fond of them, and Hux is sharp, intelligent enough to do the same. There's a chance that if FN-2187 says yes, he'll be shooting himself for nothing more than a ruse.

So he waits a moment, and then adds, earnestly:] I owe you my life, sir.

The way I see it, that means I've got a long way to go to return the favor. [Which is why he decides to close the distance between them without permission, dropping his voice low in the process. Someone could be listening in.]

So my answer is yes.