Was my boyfriend wrong for acting this way?

He is always paranoid that I am cheating. I was at a store waiting for him to pick me up to hook up and I saw his car driving while I was at a store then I walked to his car while I was at the store and he literally thought I was with another guy. When I was near his car he screamed at me saying I’m leaving! You were with another guy goodbye!! Then I went into his car saying I was not with another guy then he said I made him paranoid and he also said why didn’t you tell me you were at this store? It’s my fault I should have told him I was at the store near his car. He gets paranoid easily. But I literally wasn’t cheating on him is it my fault? Why would he act like this?

He is in the wrong and paranoid and insecure
It’s my fault I should have communicated better
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Was my boyfriend wrong for acting this way?
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