Habit is recurrent, often unconscious pattern of behavior that is acquired through frequent repetition, an addiction.
I want you to read that a few times and fully understand it.
Taking cum is a habit for me. I do it daily. You must get to that level.
Let me warn you, that will be incredibly hard. To make a habit out of ejaculating on your own face and swallowing is like going through hell and back.
Stroke your cock for me honey, make it even harder.