Do you feel sick every single time you eat food or just with certain foods? Does this happen when you just over eat?
It could be certain foods trigger the stomach aches.
If you are very conscious of the Body Odor
and having to wait in the doctor's waiting room, give the doctor's office your cell number when you arrive. Tell them to call you when it's your turn to see the doctor and that you'll be right outside.
I've seen it done when children go to their pediatrician with something contagious or people in wheelchairs because the waiting room is too small.