Getting By With a Little Help from My Friends?

Have you ever thought about how people choose their romantic partners? Science indicates that many individuals feel comfortable choosing mates on their own, and they have confidence in their choices. But others are less confident and often engage in what’s known as non-independent mate choice, using other’s mate choices as standards for whom to seek out or select as mates.

We see this playing out in life all the time. You think your friend’s partner is great, and they have the added seal of approval of your friend, someone you hold in high regard. So, you seek out a partner with similar characteristics. That’s called mate copying, and it’s a positive form of non-independent mate choice (see, Street, Morgan Thornton, Brown, LaLand, & Cross 2018; Zhuang, Ji, Zhao, Fan, & Li, 2017; Rodeheffer, Proffitt Leyva, & Hill, 2016; Place, Todd, Penke, & Asendorpf, 2010; Waynforth, 2007).

Maybe you’re already in a relationship but something changes that prompts you to end the relationship and start a new one. For example, due to a decrease in your partner’s mate value, or an increase in your own, you might seek a more attractive mate, someone with characteristics similar to those of your friend’s partner.

Both mate copying and mate switching are positive forms of non-independent mate choice that can be considered adaptive behaviors. They allow you to secure a mate with better characteristics, i.e. healthy, fit, fertile, etc., than you might choose on your own.

Plus, mate switching could allow you to go from a bad or dissatisfying relationship to a better relationship than you would opt for on your own.

But there are also negative forms of non-independent mate choice. Namely, mate poaching, when someone steals a romantic partner from another person. Both sexes are guilty of this behavior, but it’s more common among men. Sometimes mate poaching is done for short-term mating, i.e., extramarital affairs while on other occasions it is geared towards securing a long-term partner.

Mate poachers have to be deceptive because they can face retaliation in the form of violence from the spouse/partner of the person whom they poach, and they can face reputational damage from being labelled as a home wrecker. Individuals who engage in this behavior describe themselves as mean, unreliable, adulterous, and erotophilic. 

A deceptive strategy that works quite well for mate poachers involves becoming friends with the person whom they want to poach (Mogilski & Wade, 2013). Friendship allows for an emotional connection with the intended partner, showing a sense of commitment that helps with mate retention (Wade, 2012; Wade, Auer & Roth, 2009).  Basically, the mate poacher becomes a friend and then when a problem occurs in the intended poachee’s relationship the friend is there to help them deal with it, and step in as a new mate.

Mate poaching can be an adaptive strategy also, in that it can lead to the acquisition of a new partner (Schmitt & Buss, 2001; Moran & Wade, 2017). But here’s the thing: relationships born of mate poaching  are fraught with dysfunctions, such as lower commitment, lower satisfaction  lower investment, and higher levels of infidelity  (see Foster, Jonason, Shrira, Campbell, Shiverdecker & Varner, 2014). 

So, if you’re going to get help with choosing a mate from your friends, best to find your own options with those traits you trust, rather than stealing them directly from your friends, even if you’re willing to sacrifice that friendship.

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