[It's good to see that he doesn't look like a shell of a human being, because there are a lot of people in pain, here, and David is not the right person - or machine, really, whatever he is - to cater to all their needs.]

Doctor.

The Emperor left me in charge when he departed for door. My counterpart and I have endeavored to make the people here as comfortable as possible in your absences, and I am more than willing to continue doing so if you require extra help.

[Well. Sort of more than willing. He's feeling a lot more charitable than usual.]

But if you're uncomfortable with my being here, [He's an unpaired inmate who has grown increasingly vocal about how he basically assisted some aliens in trying to wipe out humanity, so.] I understand, and am willing to leave as soon as Erik arrives.

[He made a promise that he'd look after Charles for him, and he's not interested in going back on that.]