Exchanges like these will almost always go no where and lead to frustration on your end.
It's best not to argue your point, you are damned if you do and damned if you don't when it comes to dealing with crazy.
Only when/if he takes ownership of his issues things will start to change and it must be consistent. Not just a moment of sanity, consistent clartiy on his part and you'll know it when/if you see it.
Who know's for sure why they get off on this? Any kind of drama fuels the crazy train. Stay on solid ground and remind yourself of who you are dealing with at the moment.
