at 12.12 into the video " If you overstimulate the separation panic system it decreases the enthusiasm for life...as this attempts to summarize.... and if you could elevate the seeking mood/directly/the enthusiasm mood: it should have antidepressent effects, and lo and behold they published this paper...."
https://www.youtube.com/watch?v=65e2qScV_K8
It appears that PWP were 'normalized" by restoring (albeit arbitrarily) the will to live?