I thought that this would be an interesting post to do considering I do suffer from this disorder. Misophonia is the hatred of specific sounds and it creates a sense of anger and rage in a person, or a fight-or-flight response as said in the video. At times, it's actually very hard to live with this because you cannot do or be around people or places that you know those noises will come from and it's frustrating to always be on edge when around friends and family when you are supposed to be relaxed.
Personally, I can't stand hearing people chew, breathe loudly, tap on any object with a pen or pencil, or the sound of a heart beat. They all make me want to hit something and I have actually had panic attacks from these sounds.
Here's a video I found about this strange disorder: