https://www.mayoclinic.org/diseases-conditions/borderline-personality-disorder/symptoms-causes/home/ovc-20370232

http://www.heretohelp.bc.ca/factsheet/borderline-personality-disorder

https://www.mind.org.uk/information-support/types-of-mental-health-problems/borderline-personality-disorder-bpd/#.XMiGeGhKjIU