Everything tastes awful!!!

At every meal lately, my husband and I get into arguments because I make him taste my food to see if it has a chemical taste to him or not. He keeps getting upset with me for picking foods I don't like - and he doesn't understand that I'm picking foods I like, but then they have a chemical, metallic taste when I try to eat.

I've been a vegetarian for 15 years, I mainly eat raw fruits and veggies... But the only thing that tastes good to me right now is disgusting fast food burgers!