In one sense she's his slave, because she doesn't want to think of him, and she does.

She wants to think of you--and she does--ah, bagosh, yes!" "Yes, I understand," remarked Carnac morosely.

"I understand." "Then why do you let her be under Tarboe's influence?
Why don't--" Carnac thrust out a hand that said silence.

"Denzil, I'll never forget what you've told me about yourself.

Some day you'll have to tell it to the priest, and then--" "I'll never tell it till I'm on my death-bed.