People's capacity for holding petty grudges is truly astounding. Sometimes you might completely unknowingly rub someone that you regularly cross paths with the wrong way, and ever since that unfortunate moment it's as if they've undertaken a lifelong personal vendetta against you. If you ever find yourself on the other end of a petty grudge it never hurts to try to smooth things over. With that being said though, sometimes folks just refuse to let things go. 

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