[He's cautious about how he approaches her, how he speaks to her. She might say that she's glad, but he's ugly, and has said that his intentions are usually the same, however favorably their results may land.

Even then, she still wants to talk to him. Probably, he thinks, because they're drugged. Why else would she say she's glad and give him that little touch of sweetness?]

I'll never ask more of you than you're willing to give.

[And, in his general speech, that means he won't ask for anything at all. He tends to believe that no one would wilingly give him much at all without a very valuable return.]

Please don't be willing to give me more than you'd give a stranger... it would seem unfair, even if we say we're friends.