How does it happen that I created more than one account on Facebook for Facebook dating and kept matching with the same guy?

I did match with the same guy on Facebook dating and did counting to text and ask for social media. I said got both messager and what apps. I sent my username. Didn't work at first, then sent my app phone number, but said it was OK with a message and sent his username to me. I decided to give a guy a chance and see how it went. I kept matching with the same guys. It wasn't like the other guys that I did text and match with is that some other guys wanting something in return just because a guy said the word nice guy and I did blocked that is one of the biggestred flags. One guy pretended to be single but did find out through a snapchat that he had girlfriends and I did block him to. That's how my online dating experience went. The guy that I am texting now, not yet done anything like the other two guys have done.
How does it happen that I created more than one account on Facebook for Facebook dating and kept matching with the same guy?
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