Uh. No. Not really trying for formal. It's just reflex.

[Garrus shrugs, remembering only a moment later that he's trying not to jostle the guy using him for a pillow.]

We're military. Turians, I mean. I tend to call people by their family name for a while. Doesn't really mean anything. But I can try to remember to call you Ryan. Especially if you help me take out statues.