Psychology Today. https://www.psychologytoday.com/ca/blog/making-the-grade/201011/is-it-just-puppy-loveDiakses 17 April 2020Independent. https://www.independent.co.uk/life-style/love-11-scientific-signs-romance-relationships-attraction-a7944751.htmlDiakses 17 April 2020Love Panky. https://www.lovepanky.com/love-couch/broken-heart/how-long-does-a-crush-lastDiakses 17 April 2020Psychcentral. https://psychcentral.com/lib/love-versus-infatuation/Diakses 23 Juli 2020