Have you ever been in a relationship and didn't feel like your partner deserved you?

At times, some of the things my partner does, or says leads me to believe that they aren't deserving of what I bring to the table. I'm just wondering if there's anyone else that's been in a similar situation, and opening this up for any advice you may have.
Have you ever been in a relationship and didn't feel like your partner deserved you?
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