Talk to Sexologist on Couldnt Intercourse

I got married when i was 26. At wedding night my erection was 100% fine but i couldnt insert my penis inside the vagina after trying many times. My wife also had a fear and her vigina is totally dry. Even tried lubricnts but the problm remained. Aftr some months my erction was a bit lousy. I had to shake my penis to make it erect but stil penis erction time was few second. Got my wife checked to multple Drs. They all said her to remove her fear though 2 fingers go inside, but I think the issue is in me as well. got my self physically examined by 2 Drs (both said im fine). Testosterone level was 314.1 ng/dL ( which was within the range mentioned) and prolactin was 11.64 ng/dL. tried cialis and viagra too but it didnt effect. I hardly had night erection throughout my life. i still do get erections in night but not regular. due my weak sleep i wake up when it gets erect or when im in a wet dream. Often my erection is okay but I can not penetrate after trying 3-5 minutes even. my sperm co