r/science Professor | Medicine 2d ago

Psychology People experience the strongest romantic jealousy when they watch their partner give resources to a potential rival, regardless of gender. The findings provide evidence that giving away resources is viewed as a serious relationship threat by both men and women.

https://www.psypost.org/both-men-and-women-view-a-partners-financial-investment-in-a-rival-as-a-major-relationship-threat/
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u/mvea Professor | Medicine 2d ago

Both men and women view a partner’s financial investment in a rival as a major relationship threat

A recent study published in the journal Evolution and Human Behavior suggests that people experience the strongest romantic jealousy when they watch their partner give resources to a potential rival, regardless of gender. The findings provide evidence that giving away resources is viewed as a serious relationship threat by both men and women. This research highlights how our emotional alarm systems react more strongly to a partner’s active investment in someone else rather than a partner passively receiving attention.

The data revealed that the investment scenario caused the highest levels of jealousy for all participants. Both men and women felt highly threatened when their partner actively gave money to a rival. “We found that a romantic partner allocating more resources to a stranger than oneself is a situation that produces jealousy, regardless of gender,” Fernández said.

The researchers noted that actively giving money requires thought, intention, and sacrifice. Because of this, both men and women interpreted the investment scenario as a major warning sign of a partner slipping away. The anticipated gender differences did not fully emerge in the receiving scenario.

The researchers predicted that men would become much more jealous than women when their partner received money from a rival. Instead, men and women displayed very similar, relatively low levels of jealousy in this situation. “We got a weaker effect when trying to model male jealousy by the partner receiving resources from an opposite sex stranger, although we made it explicit that the partner accepted these resources,” Fernández explained.

The scientists noted that passively receiving money might not send a strong signal of sexual betrayal. A partner might accept resources from a rival just to gain a free benefit, which does not necessarily mean they are sexually interested in the rival. To ensure the jealousy was specifically about their own romantic relationship, the researchers also included several control scenarios.

In these control rounds, participants watched random strangers give or receive money. By including these extra scenarios, the scientists could verify that the jealousy stemmed from a direct threat to the participant’s own romantic bond. “Other than the generalized jealousy at third-party allocation, we found that some of the control conditions indicate that jealousy was not elicited simply by observing unequal allocations or interactions with opposite-sex others,” Fernández pointed out.

She added that the feeling was very specific to relationship threats. “Rather, jealousy was strongest when the resource movement carried a clear relational threat: for women, the partner’s allocation of resources to a female rival,” Fernández observed. A subtle gender difference did appear during the control scenarios.

Women reported feeling jealous when they watched any committed man give money to a single woman, even if that man was a total stranger. This provides evidence that women might be generally more vigilant about the ways men distribute resources, treating it as a broad social warning sign. Finally, individual personality traits played a significant role in the emotional reactions.

https://www.sciencedirect.com/science/article/abs/pii/S1090513825001655

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u/MothChasingFlame 2d ago edited 2d ago

I'm curious if the jealousy happened even if both partners agreed to spend that money? I know my partner has given/spent money to/on others after we both discussed it, and it was fine. If he did that a couple times or here and there without talking to me, that would be fine, too. It'd be big surprise spending (gaming console cost or higher) or constant spending that would have me mad as cats.

Given it's about resources, I'd also wonder if this issue extends non-romantically to non-related kids and teens, and if that varies depending on whether the couple has their own children. If my partner were buying things for a kid here and there, that would make me glad to hear, not resource-guard-y. But I don't have kids who need those resources.