What does it mean when a guy says whatever happens happens?

so I just met this guy named A. I think earlier today and he goes to my university. He’s about two years younger me. We met on bumble. We were talking about the election about our lives and dislikes. So I had asked him what is he looking for the app and then he responds: “probably a relationship.” But then I asked him what kind and then he responds “idk tbh whatever happens happens” he did match with me first, and he came with an opening line about where would I want to go on vacation. So I’m wondering, what does he mean by that?

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so apparently he unmatched with me yesterday and yeah, I mean I’m trying the apps called Bumble and then Duet, but the problem is with the Duet thing everyone else is way too far away from me and I’m trying to edit it in the settings, but it doesn’t work.
What does it mean when a guy says whatever happens happens?
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