Why Does Sexual Desire Decline in Long-Term Relationships? The Psychological Reasons and Solutions
A gradual decline in sexual desire is one of the most common experiences in long-term relationships — and contrary to popular belief, it’s not always a sign of fading love. Psychologists say it’s a natural hormonal and emotional shift, where the very bond that brings couples closer can also reduce sexual intensity.
At the beginning of a relationship, the body releases hormones such as dopamine and testosterone, creating excitement, passion, and intense attraction. However, as the relationship matures, oxytocin — known as the “bonding hormone” — becomes more dominant. While oxytocin strengthens emotional intimacy, it also tends to dampen sexual desire over time. In other words, love deepens, but lust stabilizes.
Does This Affect Women More?
Research suggests that women often experi...

