Dating

Why would a guy I'm dating record us having sex & show his cousin via facetime during the act?

I really thought the guy I'm dating was a genuinely good person; and quite possibly "the one" until last night. We were having sex and I can't be sure as I had been drinking and he was behind me... but I think he showed his cousin our "situation" when he facetimed him. I think I heard the cousin say "I see you have a situation bro" as they laughed. When I looked behind me I didn't see the phone anymore. Then we had another go a bit later & I thought I saw a bright light behind me, my head was kind of burried in a piece of furniture at that point so I could not get a full view of what was happening behind me. I had been drinking and at first I thought I was perhaps being paranoid or overthinking things. With a sober mind today I'm pretty sure he did exactly what I think he did. I haven't said anything & honestly I'm thinking of just blocking him completely from my life without even discussing things. Part of me is saying he needs to know that what he did is not ok. The other part of me is saying this is a well educated, highly successful man... he knew exactly what he was doing! Am I overreacting/not handling things well? Why would a man do something like that to woman he wants a serious relationship with?
Why would a guy I'm dating record us having sex & show his cousin via facetime during the act?
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