You must take care of yourself, or you are no good to anyone else. Don't ignore how you feel in hopes things will improve or it will go away. You feel that way for a reason, and if you can do the work to figure out why, you will be so much better for
Intelligent people ignore...Yes. Let it go, and move on with your life. Then amazingly one day you realize you haven't thought about that negative situation, or that jealous, vindictive person in like forever, and you think, "WOW!! What was her name.