Adam, i am few year older than you, and i have similar problem, My doctor will refer me to urologist.

I think one reason for me could be due to porn addiction. Its like i need to masturbate watching porn to get arousal and erection. Also i need to be in certain body position.

I have decided to stop porn cold turkey. but it's too early to see any results from it.

Another reason could be low testosterone level, but i don't know at this time.
Let us know what the doctor said to you?
regards,
sam_atoz

guys i have the same problem. I can get erections only with i masturbate and in certain positions. i dont get erection when i'm with a girl even though she is caressisg me.

Let me know if u guys come across something helpful.
thanks

Sex is not physical. It is psycological
It is physical when it is done singularly It is psycological when there is a partner bec when two is involved you are in a compuslion to give the best. When u see a porn you see the whole activity and full bodies but when u do the same with someone you see only the face.
When your mind is set to certain improper sensuous activities it will not be able to shift swiftly to another given situation and by the way you become desperate. When you are desperate your brain is fatigued and circulatory system concentrates to correct it rather to pump more blood to your organ. Once the blood flow is poor the organ is nothing but a drooping flesh tube fit only to urinate. The purpose of having the organ is to get off springs and giving absolute satisfaction to someone who will have a family for you. When the relationship is legitimate your mind also will function legitimately. Nothing will happen to you if u abstain from sex till you are married properly to get children. It is not something like stopping the breath or cutting your wrist. If the human system has a warning .. IF ANYONE MASTURBATES WILL GET A HEART FAILURE WITHIN 5 MTES .... no one will dare to even touch it in their sleep. We have but do not honor the license so we are licensious.

Do not touch yr penis for next 72 days... eat food without oil ... eat lot of nuts ...
have good exercise ... do not wear under garments when you are at home ...
do not waste your time seeing porns .. it is like eating banana peel without eating the fruit ...do not admire yr physical organs ... talk good things and honest words to your girl friend... they never ever love your penis but they do love your heart and manners... come to this forum on 80th day I will prescribe some very good natural medicines that will help you rock like erection only for a married intercourse not for a dating intercourse .... right ....