I am a creature of habit and of comfort. This is not to say I'm an unadventurous eater; I'll give almost anything a try, so long as it doesn't include goat cheese or Brazil nuts. (The former is a taste thing, the latter a nonsensical allergy.) Left to my own devices, however, I return again and again to the things I know and love: my favorite feel-good movies, the same local coffee shop, the same old hotels in the same old cities.
The Pavlok bracelet gives users a penalty of a 350-volt electric shock every time they step out of line. It works for a wide range of nasty habits including smoking, sleeping in, spending too much time on the internet and even sleeping in.