Recently I found out my boyfriend had saved sexual photos of other girls. We have been dating for 2 years. Is that okay?

We are dating for almost 2 years. Recently I was feeling very insecure and wanted to check if he's talking to any other girls. I found out he had a folder with sexual pictures of other girls, even though he told me he doesn't do that. This has been going on for about a year since we started dating or even more and he said he stooped doing it when I said it's a problem. Was it alright to do that in the first place?

Recently I found out my boyfriend had saved sexual photos of other girls. We have been dating for 2 years. Is that okay?
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