Multifactorial is not a hedge — it is the diagnosis map
Sexual function sits at the intersection of blood vessels, hormones, nerves, medications, mood, and relationship — which is why single-cause thinking fails and single-pill promises disappoint. A proper consultation walks the whole map: vascular (this is why erectile difficulty in a younger man is also a cardiovascular question worth taking seriously); hormonal (testosterone, thyroid, prolactin; menopause and postpartum shifts); pharmacological — antidepressants, blood-pressure drugs, and finasteride are frequent, reversible culprits nobody mentioned; psychological — performance anxiety's self-fueling loop, depression, past experiences; and relational — because desire rarely survives a cold war.
The pattern itself is diagnostic: difficulties present from the very beginning differ from those that appeared after years; situational problems (fine alone, difficult together — or the reverse) point away from the body and toward the mind and the relationship. One structured hour of history often localizes the problem better than months of guessing.
Pain is never "just how it is"
Pain with intimacy — dyspareunia, and its specific form vaginismus, where involuntary muscle guarding makes penetration difficult or impossible — deserves its own word here, because so many women have been told to endure it. It is common, it has causes (infection, skin conditions, endometriosis, hormonal changes, the guarding reflex itself — often after pain, fear, or strict upbringing), and it has genuinely effective treatment paths, from pelvic-floor physiotherapy to graded desensitization to treating the underlying condition.
For newlywed couples especially — where unconsummated marriage carries crushing silence in our cultures — this is urgent to hear: this situation is well known to medicine, nobody is broken, and the success rates of proper treatment are high.