It could be because the character has qualities or a story that resonates with you on a deep level. Maybe they represent something you aspire to or remind you of a part of yourself.
You can't stop thinking about a fictional character for various reasons. Maybe their struggles or achievements resonated with you on a deep level. Or it could be that their appearance, skills, or relationships captured your imagination and left a lasting impression.
You could try thinking about different things, like your goals or plans for the future. And give yourself some time; eventually, your mind might naturally move on from the fictional character.
Keep yourself busy. When your mind is occupied with other things, you'll think about him less. Maybe take on some extra work or start a new project at home.
Tell her a joke. A good laugh can often break her concentration on the story. For instance, a simple knock - knock joke or a funny anecdote from your own life.
I think it conveys that the bad boy is so committed to his way or has such a strong will that nothing can make him stop. It could be about his adventures, his choices, or his personality that just keeps pushing forward.