Remembering the Good: Grieving the Loss of Old Friends In memoriam of Sietze van der Heide, published on psychologytoday.com (https://www.psychologytoday.com/us/blog/emotional-fitness/202003/remembering-the-good-grieving-the-loss-old-friends) and thriveglobal.com (https://thriveglobal.com/stories/remembering-the-good-grieving-the-loss-of-old-friends/)
