My brother tells me that I didn't achieve anything in life after every little tiny argument?

ok my brother is financially very well off. im still in my 20's trynna figure shit out. He's 1,5 half years older than me. We still live together in a tiny house with 2 rooms 4,5 people. So arguments happen. But after every argument he loves to tell that I didn't achieve shit. Like shiii I get it how many times are u intending to say it. I just wanna figure out the psychological background of him feeling the urge to say this so often. I gotta job and I'm gonna move out anyway. He really acts like I'm a villain tbh.

My brother tells me that I didn't achieve anything in life after every little tiny argument?
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