1. Mirror might steal your soul
Do not place a mirror directly facing your bed – this is a feng shui taboo as well, and the explanation from old feng shui masters is this always brings a third party into the marriage of the sleeping occupants of the bed. Superstition frowns on having a mirror directly reflect the bed, but here the reason given is that doing so causes the spirit of your sleeping soul to enter into the mirror and you may not be able to return to your body when you wake up in the morning. In other words, it could cause you to get “trapped” in the inbetween world that exists between sleep and wakefulness – a frightening prospect which some say can indeed happen. Another explanation is that the mirror attracts wandering spirits who come to steal your consciousness. Either prospect sounds scary, so it is better to avoid mirrors facing the bed.
2. To single ladies: do not sing while cooking or eating, or you will end up with an old husband! This taboo came from the fact that the rice will be burnt (rice cookers didn’t exist in the old time, and people had to use coal) or you will accidently cut yourself with the kitchen knife if you don’t pay attention while cooking. This taboo was used to scare ladies working in the kitchen, as ladies at that time usually feared getting old husbands.