does the score really matter? No, only execution. If you have done your best at reading lanes, reading entry angle and reading ball reaction then that is the best for that night. Go home and find some articles to read and study. Next time you might have some new things to try. Dont focus on scores focus on execution. I am willing to bet, at the end of the night, you will note significant improvement.
And yes, I think we all go through these spells.
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Getting all the pins I can.