It seems to be ED and PE which can be due to performance anxiety.
The stress to perform during sex can lead to psychological changes and affect your sexual life. It weakens your peri genital neuromuscular system.
It needs to be treated asap otherwise it may get complicated.
It can be well treated with counseling sessions and homeopathic medicine effectively and without any side effects.
You need an expert Psychologist who is a good homeopathic physician and Sexologist.
Next Steps
I have been working as a Homeopathic Psychiatrist, Counseling psychologist and Sexologist for the last 17 years. You can contact me through an online appointment for further assistance.