Have you ever had a coworker that made you want to quit your job?

Part of my job is to process claims and on Fridays we have to get them all done because of the date in which they were processed in our system. But in order to do this, they have to be checked over by another coworker.

My coworker takes forever to check my claims that need to be processed. They switched over my normal coworker who does them for me and she takes forever to get it done, making it extremely hard for me to fulfill my task of processing the claims on time.

I just want to quit this job because the pay is not enough for her incompetence.
Have you ever had a coworker that made you want to quit your job?
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