I hate being honked at. In the US it pisses me off, but in China it goes to a whole other level. If the warning alerts me to potential harm or averts a fender-bender, I'm fine with it, but when people honk just because they're impatient, or do the Chinese honk-just-to-announce-your-presence thing, it really gets under my skin.
There's just something about the sound of it - it's so sharp, loud, high pitched. I can't help but stiffen up and get agitated when that sound suddenly bursts into my consciousness. Sometimes, getting home from a bike ride, I really hate China, and really dislike the Chinese. It's gone after an hour or so outside the range of those horns, but it's surprising how an irritating noise can creep into your attitude towards an entire nation. Of course I don't really dislike the Chinese, but you realize how malleable human emotions are, and how small things could develop into deep set attitudes.
What I really want though, is to be like this old lady here: