The best response to a narc is no response! If you must respond, show no emotion... This can be very difficult, but it will deprive him of what he wants most... A narcissistic payoff from your reaction/response.
I have learned there was more than 1 and continues to be. I have learned that 90% of what comes out of his mouth is lies to cover his ass. I have learned he is not capable of anything he says including love. I have to forgive myself for not knowing what I didn't know before I learned this. -CG