Am I wrong in this fight?

Me and my boyfriend always get in fights. But this time we fighted because he only gets 733 a month and wants to buy a ps4 I'm not telling him what to do I just said its not a good idea because we don't make much. He's on social security and goes blows it all on a ps4. He can do whatever he wants I just said it doesn't make sense and he yelled and tells me to fuck off and no one likes me.
Am I wrong in this fight?
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