I haven't been here for long, but in the time that I have he's seemed like a good leader.

[Connor definitely has a favorable opinion of Nick, and he hopes this person really is who he says he is. This seems like a good opportunity to ask, though--]

You call him your brother?

[He asks it lightly, genuinely curious, not skeptical. As for the Clinic, though, he's a little less positive.]

For dealing with humans and similar species, yes, they are.

[With the obvious implication that otherwise, not so much. Which is unfortunately, especially considering DiMA's last comment.]

Is there any way to improve your physical condition?

[He isn't sure what repairs are or aren't even possible for him.]