Do the words of others linger in your mind? You can hear them play over and over again. You want to erase their words, but you can't get them out of your head. It's because we've given people headspace. It's like giving free rent in my head to others, and it has to stop.
Most people can remember a time when someone said something they couldn't let go of:
Those become haunting words that trigger emotions and attitudes, causing us to alter our behavior.