Did I mess up by saying this to him? M36 F39

i spoke to my partner about what i discovered and what ia m trying to work on is trying to not be reactive because I grew up that way. seeing my parents act the way they act.

and i shared all that and I told him that if when we have a conversation with each other and you if you say things I don't like especially when you start screaming and yelling in a mocking way, and what I wanted to say is that i'm just not going to react and remain cal.m...

before I got to say that last part, he hung up on me and said I gotta go. if you're gonna say its my fault then i'm goig to talk to you later and I tried to tell him not thats not what i was trying to say...

he said no no I get it. its all my fault. I gotta go. you're on speaker btw so I need to go.

Maybe it was my fault when I said when he says things he doesn't like to me and I react towards it, and then he starts to mock me and mocking me yelling/screaming at him when I'm not even doing that really...

I wanted to tell him that I'm not going to react either and just remain calm.

I think I may have messed up by saying that... but and just tell him that I'll remain calm when I talk to him and not react...

There's moment, I mess up by saying the wrong things and I try to tell him that's not what I meant but instead of listening to me, he just decides to hang up on me... and play the victim card and say it's all my fault I get it...
tl;dr