• https://www.psychologytoday.com/us/blog/contemplating-divorce/201502/how-do-you-define-love
• https://www.youtube.com/watch?v=9tVkWYv484Y
• Sternberg, R.J.(1986) A triangular theory of love. Psychological Review, 93, 119-135.
• Intimacy, Passion and Commitment in Adult Romantic Relationships: A Test of the Triangular Theory of Love, Michele Acker, Mark H. Davis
• https://www.welt.de/print/wams/wissen/article138170450/Biologie-der-Beziehung.html
• https://www.twin-life.de/daten
• https://www.psychologie.uni-freiburg.de/abteilungen/psychobio/team/publikationen/psychotherapie-im-dialog16.pdf
• https://www.kup.at/kup/pdf/10976.pdf
• Duncker HC. Die Kulturfähigkeit des Menschen. Vorstellungen einer evolutionsbiologischen Anthropologie. Spiegel der Forschung 2000; 17: 22–37.
• https://www.psychologytoday.com/us/blog/the-joint-adventures-well-educated-couples/201208/falling-in-love-is-smoking-crack-cocaine
• https://www.psychologytoday.com/us/blog/fighting-fear/201303/what-does-it-take-fall-in-love
• https://dorsch.hogrefe.com/stichwort/bowlby-john