https://live.nicovideo.jp/watch/lv322827124 Lenton, Alison P., and Marco Francesconi. (2010) How humans cognitively manage an abundance of mate options. R Kurzban(2005)HurryDate: Mate preferences in action Cacioppo, John T., et al. (2013) Marital satisfaction and break-ups differ across on-line and off-line meeting venues. OkTrends (2010)The 4 Big Myths of Profile Pictures Christian Rudder(2014),Dataclysm : Who We Are (When We Think No One's Looking) Eastwick, Paul W., et al. (2007) Selective versus unselective romantic desire: Not all reciprocity is created equal. Peter Backus (2010)Why I Don't Have a Girlfriend: Entertaining use of the Drake Equation by Warwick PhD student Moss, S. A. et al. (2014). Are Differences Between Partners Always Detrimental? The Moderating Role of Future Connectedness. Interpersona, Gerlach, Tanja M., et al. (2017) Predictive Validity and Adjustment of Ideal Partner Preferences Across the Transition Into Romantic Relationships