I, too, am rather sound-sensitive, for both better and worse.
Some sounds which upset me include:
-Vacuum cleaners, blenders, and anything similar
-Beeping
-A ticking clock or any similar small, rhythmic sound (this one doesn't always drive me crazy, though)
-Creaking of upstairs neighbors (I am so glad I moved)
-Crinkling plastic bags and wrappers
-Anything really loud and chaotic
Similarly, there are sounds which make me very happy or feel very peaceful, such as:
-Rain
-Bamboo wind chimes
-Wind through trees
-That plopping sound when something drops into still water
-Light tinkly sounds from small metal objects (earrings, delicate wind chimes, etc)
-The fwoosh sound when you spread a sheet on a bead
I prefer to think of the ones I like.
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"A flower falls, even though we love it; and a weed grows, even though we do not love it."