I have it also. My main trigger is repeated lip smacking. While chewing gum, while talking, while eating. It is literally torture to me. Slurping to a lesser degree.

My wife knows and doesn't chew gum in my presence. I am fine in a restaurant with music playing or I am eating also, but if my wife sits next to me on the couch and eats cereal, I can't stand it.

Although I have learned to tolerate it better with time.