For some of us, the radical acceptance may not commence until we actually leave the relationship. This is particularly true if the narcissistic person is the one to end it. Radical acceptance becomes a critical tool for processing the aftermath of the relationship. Recognizing the patterns that were consistent both before and after the breakup and noting the narcissistic person’s post-breakup behavior—like quickly moving into a new relationship or ongoing harassment—can round out the picture and predictability of their narcissistic behavior.