Hi I understand your concern. If ultrasound came normal then only anxiety can affect your erection problem. There is no other local pathology which can produce erectile dysfunction. Do you have morning erection? if yes then all things are normal just do certain modification like. 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 Life style stress and busy life style make u fatigue and secondary to this it makes less desire in sex and erectile problems. Psychological mildness is must. Do stress free work. proper sleep. Daily scheduling work. Exercise and meditation. All of this is reduce your stress. Condition can be treated withmedicines like sildenafil,, tadanafil, tetrafol plus etc,do take advise from doctors Get well soon thank you Take care. Thank you.