Is there any such thing as income insecurity when dating?

I wonder if men are income insecure when dating a woman. Lately I've dated some high quality men where we get along great, have fun, have common goals, like a lot of the same things, then I get ghosted or breadcrumbed without explanation.
Do men end relationships due to (or perceived) lifestyle or income difference?

Is there any such thing as income insecurity when dating?
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