Why would a guy act like this?

Why would a guy say “I can’t be around you because I’m scared to fall in love” or when he says he loves you then “I take it back” or flip flops on wanting to date and just all over the place. The thing is the guy brought it up during the times where the girl wasn’t mentioning anything more at the time and still sleeping with him. Yes he knew she wanted a relationship, but still hang with him regardless of being with other women casually. He still said those things so it’s bizarre because even players don’t typically say that stuff if helps wild and she’s around there’s no need to. Then the girl finally cut him off for life and he came back (ignored) after she said it was over. Weird.
Why would a guy act like this?
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