Your doctor doesn't understand that you are so phobic, so physically afraid of food that you will routinely experience an actual stress response during eating, full-on anxiety attacks after eating, producing huge amounts of adrenalin. All things that makes us feel incredibly unwell around food. So much so that your body believes it is in extreme danger every time you consume anything
Fresh tuna is a great source of protein and omega-3 fatty acids, vitamin E and antioxidant minerals. Make sure your fresh fish is odourless and best eaten on day of purchase. I've found the easiest way to deseed a cucumber is to slice it into quarters, then run a sharp knife under the seeds to lift them out.