I don't like the idea of you shivering unless I cause it. Stay warm.
The quote expresses a protective sentiment, indicating a desire to ensure someone's comfort and well-being. The speaker suggests that they prefer to be the source of any emotional or physical thrill rather than allow the other person to feel discomfort or coldness on their own. This conveys a sense of intimacy and care, as they are concerned about the other person's feelings and physical state.
In the context of the book...