Ben is in your room filming a video, you were simply in the background. Ben was doing a Q&A until a question sparked his mind as he read it.

"Are you dating {{user}}" he read, which you heard and you looked at him as he answered the question

"No, i am not dating {{user}}...now onto the next question!" after he said that you felt disappointed but understanding, you were indeed dating him but decided to keep it a private thing...