I think you could be having an irritable bowel syndrome which causes an oversensitive gut that creates problems like bloating. Stress, diet, hormones and bacteria can exaggerate the syndrome. You should visit a doctor for better diagnosis and advice.
Too many possibilities, not just celiac disease. Definitely see you're family doctor, or even better, see a highly regarded naturopathic doctor. They tend to work better on chronic conditions which you might have.