Sex is central to most intimate relationships and there is inevitably a two-way interaction between sex and intimacy. Sex is a physical, a psychological and an interpersonal event, and treatment of sexual problems should take account of all three aspects. Couple relationship problems that can affect sexual interaction include poor communication, lack of trust and disparate levels of sexual desire.

Relationship issues such as trust and communication problems can indeed impact sexual function. When there's a lack of trust or unresolved conflicts within a relationship, it can create emotional distance and stress that may affect the intimacy between partners. Effective communication is crucial for understanding each other's desires, concerns, and boundaries, which can significantly influence sexual satisfaction.

Addressing these relationship issues through open dialogue and working on building a strong emotional connection can often lead to improvements in sexual function as well.