assuaging guilt

I recently found out than an extremely narcissist lover of mine has been telling the exact same things to another woman that he says to me, and attempts to downplay his involvement with us to each other.
I recently checked his FB account to read his msgs to her, and when I told him I had done it, he FLIPPED out. I called him a narcissist and a liar -- essentially exposed his fakeness --- and this seemed to have sealed the deal.

Do you think this will be enough to make him never return? (not that I want him gone-- I would say I'm addicted to him/ the drama of the whole thing) but we've gotten into millions of fights I always thought were dealbreakers, and he always returned for me.

This may be quite a silly question, but it's actually very painful for me.

Realistically, no one here has any idea what your ex lover will do next.

All I can say, is that privacy is big for narcissists.

For me, yes, it would be a deal breaker. In fact I have left women for much less than that.. you must have something he wants.

How are you in bed?

Glia wrote:
I recently checked his FB account to read his msgs to her, and when I told him I had done it, he FLIPPED out.

As far as I know msgs in a FB are accessible only to the account owner.
Are you saying that you have password to his account, and that you read his private messages?