My partner acted like a jerk to me after he spoke with my brother?

my brother is rough when it comes to any conversation but thats just how he is, but my partner kinda gave me cold vibes after having a conversation with my brother.

i didn’t like my partner behaving like that with me so i gave him the cold vibes he gave me back. he didn’t like that at all and didn’t reply to my text and so i texted him again saying that im busy for a few days and to take care of himself and he replied the same thing back.

im not happy with him behaving with me like this and its not like im sticking up for my brother or validating his behavior.

he also has a very rude sister and i never complained anything about it nor i ever gave him bad vibes but only when he actually was sticking up for his sister and validating her bad behavior.

so now my partner isn’t talking to me and is giving me silent treatment. what should i do in this situation?

My partner acted like a jerk to me after he spoke with my brother?
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