What does it means when a guy ended things “I’m not really feeling the connection” and didn’t wanna waste our time right before our date the day of?

He literally just texted me last night he was excited to see me…

Did he lost interest? There’s someone else? He realized we aren’t compatible?
What does it means when a guy ended things “I’m not really feeling the connection” and didn’t wanna waste our time right before our date the day of?
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