I would lose every time... just thinking about it is killing me!<<< but where are you going to get helium filled balloons from?? Unless you've just had a party or something. But other than that you'd have to argue your way to the store to buy them
You're going to need some care & support from a professional to deprogram the conditioning he's done on your psyche, especially if he managed to isolate you. Getting great help facilitates the healing process & there's no shame in it!
Understanding destructive co-dependency. Codependency is a relationship pattern (with anyone) that is self destructive for both parties because we give at our own expense instead of setting healthy boundaries. Read more about what codependency is and how to heal it.