Long-Term Couples Don’t Need Big Changes to Keep Intimacy Feeling Fresh

Keeping intimacy satisfying in a long-term relationship does not necessarily require dramatic changes. Relationship research suggests that novel and self-expanding experiences—things that help partners see each other in a new light—can be linked with greater sexual desire and relationship satisfaction.

That novelty can be small: spending time together differently, changing routines, communicating more openly about preferences, or trying something new that both partners genuinely want. A 2019 study involving established couples found that shared self-expanding activities were associated with higher sexual desire and, in turn, greater relationship satisfaction. The key appears to be curiosity and shared engagement rather than constantly chasing something more extreme.

Psychologist and sexuality educator Dr. Nicole McNichols calls this idea “micro-novelty”—introducing manageable changes instead of treating novelty as a major performance. In a 2026 CNN interview, she suggested that couples might experiment occasionally with a different time, setting, activity, or other mutually agreed-upon variation. Emerging research supports the broader principle: preliminary intervention studies in long-term couples have found that introducing mutually enjoyable, creative sexual activities can improve aspects of relationship satisfaction. However, the popular claim that couples specifically need one new thing every month, or 12 times per year, should be treated cautiously. Current evidence supports novelty as potentially helpful, but it does not establish a universal monthly prescription that works for every couple.

Novelty also works best when it sits on top of more basic foundations: comfort with one’s body, clear communication, mutual consent, emotional honesty, and attention to stress, exhaustion, health, or resentment that may be affecting desire. Recent research continues to show that self-expansion can support sexual well-being, but different couples may benefit from different balances of excitement and familiarity. One 2026 study, for example, found that novelty was more helpful for some partners, while others responded better to familiar, comforting shared experiences. In other words, there is no single formula for a satisfying long-term sex life. The useful question is simpler: What helps both partners feel connected, curious, safe, and understood?

Instead of trying to reinvent your relationship, talk about one small thing that would make intimacy feel more connected or interesting for both of you.