Almost starting to retreat as Lucifer presses his hips forward, Dean silently reminds himself not to push any potential buttons. Not following express orders would render him gagged again and the harsh humiliation if his control being ripped away is the last thing he wants now. Instead, he pushes forward, taking more of Lucifer into his mouth and breathing harder through his nose. All he can do is accept it, giving up and letting himself be gratuitous. Pulling near all the way back with an overly wet noise, Dean takes him down all over again, tongue eagerly slipping against him the entire way.