Can One Quality Be at the Core of Borderline Personality? October 9, 2019October 9, 2019 While I can see the point the researchers are making, there is so much more to a BPD diagnosis than the fear of rejection. https://www.psychologytoday.com/us/blog/fulfillment-any-age/201910/can-one-quality-be-the-core-borderline-personality