I’m dating a narcissist (well was)

Not even getting into the back story but if you look up the definition of a narcissist or their tendencies he’s checked every box, no lie. But here he goes.. he’s trying to make me the bad guy even tho I know I’m right humor me...

So he’s cheated in the past (obviously I forgave him) I know .. stupid but whatever

So a couple months ago I noticed he was texting some girl.. never read the messages but it was a girls name & he said she was a friend and he would stop if I didn’t like it .. he has a past of cheating so of course I don’t like it. So I tell him he says fine he won’t txt her no more. Mind you we were in a relationship for 10 years so I should know his “good friends”

Fast forward now I had a bad feeling so I checked our bill .. looked up a couple numbers he was txting and he’s friends with them on Facebook.. txting at night time mind you. So basically that’s the last straw I tell him and he’s crying that their his friends but we already had this conversation about “friends” so I ended it but he’s begging for me figure out a way I could get past it or prove himself lmao ok so I say lemme see your Snapchat.. chat completely empty so I open his friends list first random name I click I open pull up and see a wyd bby from May .. we were together. Lmaooo now he thinks I’m over exaggerating because that was a while ago. Mind you as soon as he realized I could open old chats that way he snatched his phone so I’m sure it could have been worse.. now he’s mopping packing his stuff like he’s the one wronged THE NERVE OF HIM.

Sidebar: we have a 10 month old son. Which is exactly what gives me the extra oomf to live a better life for him. So he can see mommy happy!