Be real: why is my partner bullying me like this?

Whenever we get into arguments lately, he likes 2 point out the inequity in the relationship. He likes 2 point out what I get away with that he can't. No clue where this concern comes from b/c I don't ask for much in the relationship. He admitted that this is a trigger from his past romantic relationships & yet its still an issue now.

1hr ago, he gets upset after I cut him off in the middle of an organic convo correcting him on something that he wasn't knowledgeable about. He thought that FIFA is the American organization regulating solely American soccer, when it's MLS smh. Then he fixates on me interrupting him instead of admitting his ignorance on the subject. He doesn't like 2 admit that he's wrong. He likes 2 hang-up abruptly &/or talk about how he needs space after he spews his 2 cents on why I've upset him then hangs up.

He admits that he is stubborn & petty @ times. Whenever he does annoying things like cut me off mid-convo, I tend to let it go but it's like he can't. Sometimes I get the impression that he thinks that I have the upper hand in the relationship. He always finds ways 2 call me out on stuff like my diction and pronunciation. He likes 2 poke @ my knowledge & intelligence. It makes me feel small & beneath him @ times. I don't know what I'm doing wrong especially when I assume a submissive role by choice.

FYI: We're currently in a LDR due 2 school/work. In a serious courtship. He works 4 a local government w/ plans of becoming a mayor/governor/state rep & I'm getting my medical degree. He's shy of a decade older than me. I'm taller than him by 5 inches. He is more emotional/secretive preferring 2 cope alone & then move on. I am more transparent/logical mental space preferring 2 talk things through & then move on. When he's upset, he's very intimidating & yells @ me but calls this passion. He uses grandiose verbiage 2 throw jabs @ me & low-key expects me 2 get on his level before accepting whatever issue I have w/ him.

Be real: why is my partner bullying me like this?
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