New study links why people use pornography to day-to-day couple behavior

New psychology research sheds light on how motivations behind pornography use are tied to the daily interactions couples have with one another. Using pornography to reduce stress or escape emotions was associated with fewer positive behaviors and more conflict toward partners. In contrast, when people used pornography for sexual pleasure or as a shared activity with their partner, they tended to report more warmth and less tension in their daily interactions. The findings were published in the Journal of Social and Personal Relationships.

Some past studies have linked pornography use to lower satisfaction and less intimacy, while others found it could enhance sexual connection and even improve desire. Many of these previous studies have relied on general surveys or long-term averages, without capturing the day-to-day experiences couples have. Very few studies have examined the motivations behind pornography use or how it relates to positive and negative behavior patterns between partners on a daily basis. The current research aimed to fill that gap.

The team drew on what’s known as the approach-avoidance theory of sexual motivation. This theory proposes that people engage in sexual behavior for different underlying reasons. Some motivations are “approach” oriented—such as seeking pleasure, intimacy, or curiosity—and tend to be associated with better relationship outcomes. Others are “avoidance” oriented—such as trying to reduce stress, distract from negative feelings, or avoid conflict—and are more likely to be linked to negative relationship experiences. The researchers expected these patterns to show up in how partners behaved toward each other on a given day, depending on the reason behind their pornography use.

To test these ideas, the study followed 327 cohabiting couples, most of whom were in mixed-gender relationships, for 35 consecutive days. Participants ranged in age from 18 to 69, with an average age of just over 31 years. Each evening, both partners completed a short online diary reporting whether they had used pornography that day, what motivated that use, and how they had interacted with their partner.

Positive behaviors included listening, showing affection, or doing something thoughtful. Negative behaviors included criticizing, yelling, or expressing anger. Participants could report more than one reason for using pornography, and the researchers tracked nine distinct motivations, such as sexual pleasure, curiosity, stress relief, emotional distraction, boredom, and using pornography with a partner.

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The results suggest that context matters. On days when a person used pornography to manage stress or to suppress difficult emotions, they reported doing fewer kind or affectionate things for their partner. In the case of emotional distraction, they also reported being more hostile or critical toward their partner that day. These patterns were consistent with avoidance motives leading to more strained interactions.

On the other hand, some motivations were associated with more positive behavior. When someone reported using pornography for sexual pleasure, they tended to report fewer negative interactions with their partner that day. And when people used pornography as a shared activity with their partner, they described doing more positive things for their partner that day. These findings aligned with the idea that approach motives—such as pleasure or connection—can support healthier daily interactions.

The study also examined how one partner’s pornography use might influence the other partner’s behavior. In most cases, when someone used pornography for personal reasons—whether approach or avoidance—their partner tended to report fewer positive behaviors toward them that day. This was true for motivations like fantasy, boredom, dissatisfaction with their sex life, stress relief, emotional suppression, and self-exploration.

However, there were some exceptions. When a partner used pornography out of curiosity, the other partner reported fewer negative behaviors toward them, possibly suggesting an openness or mutual benefit to that kind of motivation.

Gender differences also emerged. On days when men used pornography for sexual pleasure, their female partners reported fewer positive behaviors toward them, possibly reflecting discomfort or resentment. But when women used pornography for partner-related reasons, their partners reported more positive behaviors, indicating that shared use may foster connection. In both cases, the motivations seemed to carry different social meanings depending on who was using pornography and why.

One of the strengths of the study was its use of daily diary methods, which helped capture the short-term associations between pornography use and relationship behavior. However, the researchers emphasized that these methods cannot determine whether pornography use causes these behavior changes, or whether the behaviors might influence the motivations. For instance, someone feeling disconnected or stressed might be more likely to seek pornography as a coping mechanism, which could then coincide with more tense interactions. The direction of these effects remains uncertain.

The researchers also conducted follow-up analyses to see whether pornography use on one day predicted behavior the next day. They found no significant associations, suggesting that the effects were short-lived and occurred within the same day. This highlights the importance of studying sexual behaviors in real time, rather than relying on long-term averages that may miss these rapid shifts in interaction.

The authors suggest that future research should look more closely at the situations in which pornography use occurs. For example, whether it is hidden or openly shared, whether it happens before or after sexual activity, and how satisfied each partner is with their sexual relationship may all play a role. Understanding how these factors interact with motivations could help therapists and couples navigate the role of pornography in their relationships more effectively.

The study, “Are pornography use motivations related to behaviors toward the romantic partner? A dyadic daily diary study,” was authored by Mandy Vasquez, Marie-Ève Daspe, Beáta Bőthe, Sophie Bergeron, Samantha J. Dawson, and Marie-Pier Vaillancourt-Morel.