I think it’s fairly safe to say that each and every one of us have been wronged by someone during the course of our lives. This person may have said something or done something that genuinely hurt your feelings. As a result, you started to harbor feelings of anger, frustration, or aggravation towards this particular person. These feelings, if left unattended, can produce deep-seated resentments, which usually transform into this act of holding a grudge.
Now I am not saying it’s unacceptable to have these feelings of anger or frustration or to feel sad and upset. In that moment, they shouldn’t be considered unjust or unwarranted because you’re entitled to feel your feelings. This issue is how you deal with those feelings moving forward. As time passes, did you let go of those feelings or did you allow them to develop into these resentments and grudges?
If your actions normally gravitate towards the latter, then the only person that you’re hurting is yourself. You see, there’s this saying, “Holding on to this anger, holding on to these grudges is like drinking poison expecting the other person to die”. If you perceive these feelings of anger, frustration, and resentment as poison, then why would you want to hold on to them? Why would you want to harbor them? Why would you willingly want to poison yourself?