@celia16 This article about Melissa Gilbert is helpful to me.

My husband gets very irritable and angry when I try to physically distance myself from his throat clearing and chewing noises. The throat clearing is a frequent occurrence that I'm sure he is unaware of. I gave him something to read from Cleveland Clinic on misophonia and he said that was helpful because when I ask him to stop the throat clearing or I move away to somewhere else in the room he took it as a personal criticism of him. Now he knows that it's something I cannot control. Well, I do manage my own emotional reaction in that I don't rise to anger. I manage myself by distancing physically or going into another room.

By the way, misophonia is the name of a disorder but according to the Cleveland Clinic and other sources (American Psychological Association) misophonia is not an official diagnosis.

Cleveland Clinic: Misophonia

-- https://my.clevelandclinic.org/health/diseases/24460-misophonia

My mother had this reaction to certain noises like chewing and crunching. I remember this very well when I was growing up.