[David is usually around at unusual hours. He doesn't sleep, so he usually finds himself in the infirmary working what would probably be called a graveyard shift, or playing a game of HORSE by himself in the gym, or reading in the library or otherwise just wandering about, enjoying the relative quiet and solitude provided by most of the other passenger's sleep cycles. It reminds him of his time on Prometheus before the crew had been awakened, and he enjoys the time alone.
That being said, when he spots Abigail wandering the halls at a time when no sane human is awake (and people would probably agree with him that the nocturnal vigilantes on board aren't entirely sane), liking his alone time obviously isn't enough to make him just walk right on by.]
Abigail.
[It's a question, and as close to concerned as he's going to get. Why are you awake?]
spam
That being said, when he spots Abigail wandering the halls at a time when no sane human is awake (and people would probably agree with him that the nocturnal vigilantes on board aren't entirely sane), liking his alone time obviously isn't enough to make him just walk right on by.]
Abigail.
[It's a question, and as close to concerned as he's going to get. Why are you awake?]