[...it's not hard to tell, at this point, that there's something wrong. That the noises IV is making aren't just from pleasure, they're from distress and maybe sadness? and...

He pulls away his hand.]

IV...

What's wrong?

[He doesn't ask "is there something" because he knows, he knows that IV is the type to try to hide it if he doesn't say "yes, I can tell".]