I am a male of 23 years old. I used to smoke and to have coffee

Patient: Dear DoctorI am a male of 23 years old. I used to smoke and to have coffee and i stooped it 1 year before and for last 3 months i smoked a lot and i went to a gym and got addicted to that as well for 5 months . I had a good erection now for like 2 months i am not getting a good erection and i don’t have any morning erection also . what could this be i have some issues with my girl friend and i got lot of issues and i stooped having sex feeling with her so please send me a reply

Doctor: