[Nonetheless, the fact that she knows seems to trip Glacius up--he's visibly surprised, his head rearing up as his gills flutter.] You--how do you know? Getting Carlisle to tell me anything about what has been bothering him lately has been like--how do you humans say it--pulling teeth, and I'm his partner! Would he trust you with this before me?

[Not that he doesn't like Carlisle reaching out to others for help--the alien is glad he has, actually. But he doesn't like feeling like he's being cut out, either, especially when honesty and openness are paramount to him... not just in a relationship, but in all things.]