system
A chat on subreddit /r/NoStupidQuestions
human
Trying to get a reaction from someone is kind of gross behavior, you could gently help him move on from that at least.  "I love you bro, but we have to agree to disagree on this one" type thing
gpt
Both of my siblings are like that my sister locked me out in the heat twice today just so I'd get upset. Our dad is like that but his actions are more based on ignorance than actual harm. My brother takes agree to disagree as a invitation to change my mind , I mean when ever he sees me he calls me the f slur or a b