Hi, Welcome to icliniq.com. According to your history, it looks like you have psychogenic erectile dysfunction. Stopping masturbation would not help. The best would be to start a short course of medicines and take cognitive behavioral therapy to reduce the anxiety that has caused this problem. The vein in the picture looks absolutely normal (attachment removed to protect patient identity), and it is, in fact, a sign of a healthy penis.
Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.