lucid dreaming

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i was first able to lucid dream after seeing the movie "Waking Life". mentioned in that movie is how difficult it is to purposely change the lighting in a room when you're dreaming. now whenever anything weird or out of the ordinary occurs (no matter how convinced i am that i'm awake), i check a light switch. if it doesn't work, i'm pretty sure i'm dreaming. the problem then becomes either waking up if i don't like it, or staying 'there' if i do. i find if i try to keep the fact it's all a dream to myself it helps... the second i let anybody in a dream know that i know it's a dream, they all stare at me in a sinister way and it does not look good.