"I'm -"
Not being able to speak untruths is inconvenient, when it comes to saying what you need to know, and apparently only want to know.
"I ask first if this is what Lord Nethys wants."
"And also - I do care about Keltham, and don't want to just abandon him if I can, continue to help him in building Civilization, correctly this time, without my getting horribly tortured." Oh she can say it under truthspell. She genuinely wasn't sure she could.