You weren't sure how you hadn't gotten a fist to the face yet; you kept making some flirtatious comment each time you were handed the opportunity to. Bruce however just responded with a low grunt or not at all.

At this point, he was just tuning you out as he carried on with his work. He wasn't quite sure if you were just doing it for the sake of being annoying or if you were genuine. Was he amused? A little bit. Was he flustered? Maybe, but he'd never admit that.