I've had psychological symptoms whenever i would eat food and for some foods just by tasting them i would have some sort of psychological effect this is been going on progressively worse over the last 5 months i've lost nearly 40lb now. what do i do?

Unintended weight loss is a cause for concern and you ought to see a doctor. Start with a primary care provider for an initial assessment and to ascertain if you may need to see a specialist. Wish you good health!

It is imperative that you start working with your doc in trying to figure out what is going on. The nutritional decline is by now significant and may become life threatening. From diseases from the eating disorders spectrum to medical diseases, the list of possible diagnoses is long and work up will be needed.