Hi I understand your concern. Anxiety can affect sexual function. Stress can cause erectile problems . so treatment of psychological stress and anxiety is must. 1st thing you have to do is go for penile Doppler to know blood flow and chance of erection with medications etc. erectile problem has many origins like stress/lifestyle issues/relationship problems/organic or physical problems etc. 1st is life style stress and busy life style make u fatigue and secondary to this it makes less desire in sex and erectile problems. Avoid smoking/alcohol. Take healthy diet. 2nd is relationship free communicative and mutual understanding will help sex is mutual act so try to do mutually and tell your problem to partner this will reduce your anxiety and able to erect easily So stress free lifestyle and mutual communication will help 3rd is physical health Routine check up and fit physical health is necessary to rule out diabetes and hypertension. psychological soundness is must and sun set focus method for erection is very useful . It can be treated with medicines like sildenafil,, tadanafil, tetrafol plus etc,do take advise from doctors Get well soon Thank you take care