I am exactly the same. It always seemed to happen at the company cafeteria for me. Sit down with a group, start eating, and someone starts chewing with their mo

I am exactly the same. It always seemed to happen at the company cafeteria for me. Sit down with a group, start eating, and someone starts chewing with their mouth wide open. It takes about 5 seconds for me to go from calm to fuming, so I have to excuse myself and go eat at my desk.