Should I cheat on my boyfriend back?

He cheated on me with another girls and he told me it’s because I send another guys nudes!! So I said it’s not the same between send nudes and have sex!! Then he said he doesn’t have feelings for them? I was yelled at him of what he said to me and it makes me go insane cuz he talked about the girl he cheated on me with on internet, should I cheat back?
Should I cheat on my boyfriend back?
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