If you want to break your bad habits, but can't find any motivation for it, maybe you just need an electric shock. Every bad habit you can think of such as biting nails and smoking cigarettes can be prevented with this wearable device: Pavlok 2 Habit Conditioning Device. Start with any bad habit you want to change, and take control of your life.
Download the Pavlok App, and choose the habit you want to break. It works by aversive conditioning. It's a behavior training that uses negative stimuli to help reaffirm a specific action as undesirable. Every time you do the bad habit, it'll shock your body. The higher the percentage the higher the stimulus.
Choose the habit you want to break, and wear your Pavlok. When you repeat the bad habit, it automatically knows that you do, and delivers a stimulus. For instance, if you sleep like you're dead, it'll zap you to wake you up. Also, it has 3 functions: vibrate, beep or zap.