Am I being rude or is he?

So my roommate and i we live together i pay halg his rent which is about 550 a month. He said his daughter wants to celebrate her bday this weekend at his house. I said no.. she can do that elsewehere because that means i have to leave. Beacuse he doesn't want them to think we are dating.. i said i didn't make any plans now he is pissed why?

Am I being rude or is he?
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