Our expert says:
What you describe sounds like a case of premature ejaculation. It is more common for men to have premature ejaculation from the start of their sex life.
If a man develops premature ejaculation after a period of satisfactory sexual function it becomes more complicated. Some men may for example develop erectile dysfunction and as a secondary symptom develop premature ejaculation.
It will be necessary for your boyfriend to see a sex therapist for an assessment and may potentially need a medical examination.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
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