Is he just using me or is this abusive jealousy after two weeks?

Me and this guy has been talking for two weeks now. I mentioned another guy and then this man starts fat shaming me and saying he doesn’t want me because of it and was just rude. I showed him a photo when I was sickly skinny and he still called me fat.

i don’t know what happened and I don’t understand why he did that

Is he just using me or is this abusive jealousy after two weeks?
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