2. Sleep for a couple of hours when you're sleepy. Wake up every 5 minutes after that, for about 10 times, then sleep normally. Your dreams in that last phase of sleep will ahve a higher chance of turning lucid.
3. Try to Mr Charles yourself in real life often so it becomes a habit and you do it in your dream. (If you didn't watch Inception, jsut ask yourself if you're dreaming. You'll usually get the right answer in and out of dreams.)