Brief Answer:
Stress and anxiety may cause it.

Detailed Answer:
Hello dear, welcome to Ask a doctor's service.
I read your query and here is my advice.
I think it can be related to anxiety or emotional issues, relationship stress.
I think you may need to talk to a sex therapist or
psychotherapist. You may need to do a psychotherapy together with your partner.
Also exercising and keeping a good and healthy diet may help you feel better.
Also stopping drinking and smoking may help you overcome this erectile dysfunction.


Hope I have answered the question.
Let me know if I can assist you further.

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