I see there's a word for this common condition - misophonia. I'm glad to say I don't have any such aversion to certain sounds. There are lots of things that slightly annoy me but no more than that.
Jenny has a strong antipathy to tea-slurping, noisy food-chewing, snoring and sniffing. Whether her antipathy is greater than other people's I have no idea. But it means I have to be careful to avoid the habits that set her off.
It's estimated that 18 per cent of the population have misophonia - an extraordinary figure that amounts to 12 million people. They often think they're alone because it's something that's hardly ever discussed. Apparently there's an assumption that women are more prone to it than men, but that isn't the case.
There are some sounds you might think would drive me crazy, but for some reason they don't. When we lived in a flat in London, the woman upstairs was forever walking round the flat in high heels. She made quite a racket but I was able to disregard it. Likewise another flat-neighbour had a hacking cough throughout the day and often during the night as well. I imagine both sounds would drive misophonics clean round the bend.
One advantage of blogging is that my blogmates aren't exposed to whatever noisy habits I might be guilty of. I might be slurping my tea like a thirsty elephant but nobody knows except me.

