In Kelley Armstrong's "Bitten," the character experiences a subtle yet significant emotional reaction when his cheek twitches. This seemingly minor physical response serves as a powerful indication of his inner turmoil and struggle to maintain composure. It highlights how even small gestures can convey deep feelings, especially for someone like him who may find it challenging to express emotions openly.

This moment with Jeremy illustrates the complexities of their relationship and how they navigate emotions. The twitch is not just a physical reaction but a glimpse into Jeremy's character, suggesting that he has a lot going on beneath the surface. It reflects the themes of restraint and emotional conflict that are central to the story.