Is my girlfriend embarrassed of me?

okay so me and my girlfriend have been going out for 6 1/2 months now and everything is fine except that I've only met her mom once and I still haven't met her dad. And every time I'm about to meet her dad she runs off like she is scared or something. She tells me its because he did is rude but it gets me thinking she may be embarrassed of me. tell me what you think
Is my girlfriend embarrassed of me?
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