everytime i eat something, i throw up, and today all ive eaten was like 2 bites of chicken noodle soup, which i threw up, and a bowl of cerial, which i also threw up... i stopped eating and i threw up water! my stomach doesnt even hurt anymore i just cant like hold down my food. ive never had an eating disorder, and i am like under no stress at all... what should i do to stop throwin up?? i dont know whats wrong with me...