Subscribe to Vsauce and follow @tweetsauce for knowledge points! MUSIC BY: https://soundcloud.com/jakechudnow Wild Sex episode: http://bit.ly/VNLpGl My episode about how much money love is worth: http://bit.ly/UO91ZJ Can guys and girls just be friends? VIDEO: http://bit.ly/UO8R4H Jenna Marbles on "nice guys" [NSFW language]: http://bit.ly/UOdpIa FRIENDS episode about the Friend's zone: http://www.imdb.com/title/tt0583579/ Clip of friend zone moment on FRIENDS: http://bit.ly/10iUITd Know Your Meme on the friend zone: http://knowyourmeme.com/photos/241341-friendzone Limerence: http://en.wikipedia.org/wiki/Limerence Bateman's Principle: http://en.wikipedia.org/wiki/Bateman's_principle Assortative mating: http://en.wikipedia.org/wiki/Assortative_mating Homogamy: http://en.wikipedia.org/wiki/Homogamy_(sociology) Marshall Fine description of the friend zone: http://www.huffingtonpost.com/marshall-fine/huffpost-review-ijust-wri_b_569896.html Scarcity principle and attraction: http://www.psychologytoday.com/blog/the-attraction-doctor/201204/does-playing-hard-get-make-you-fall-in-love Escaping the friend zone (includes Ben Franklin effect): http://www.psychologytoday.com/blog/the-attraction-doctor/201112/escape-the-friend-zone-friend-girlfriend-or-boyfriend Good article on other reasons we desire what we can't have: http://arabia.msn.com/lifestyle/valentine/16491/why-men-want-women-they-cant-have/ BOWLING ALONE book: http://bowlingalone.com/ Sad article about friendship decline: http://usatoday30.usatoday.com/news/nation/2006-06-22-friendship_x.htm Cyberbalkanization: http://www.wisegeek.com/what-is-cyberbalkanization.htm