The Art Of Forming a Habit,
- Be determined when trying to make something a habit. Don't fool yourself.
- Reward yourself when you stick to the habit and punish yourself(not literally, be creative) when you break it.
- Stick to a schedule, as in Go to the gym at the same time of the day, read before going to bed etc
- Involve like-minded, determined people.
- Don't stress yourself over it.
If you still fail, its important to isolate the problem area and find an alternative. Lazy? Bored? Taking it easy? Lack of Time?
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