Dear Practo User,
The condition you are referring to is actually Erectile dysfunction, which can be described as- The inability to archive or maintain the Erection for the act.
Just for the record, it can happen to any Male of any age(Post Puberty of course) to some degree.
It can either be psychological or physiological or both.
Next Steps
For that matter, You need to get yourself checked and evaluated about the severity of the issue to a Good Sexologist.
Health Tips
Kicking away the habits like Smoking or drinking can do the trick In case you are doing it. Also, maintaining a healthy weight through healthy diet with healthy lifestyle is a cherry over the cake😊
Stay Healthy and Stay Blessed