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It may be chlorine, the disinfectant in the water itself.
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You don't have running water.
This may have been caused by a thief coming in.
Calm down, buddy! As long as you think about it, it's a good sign.,Dude, my head was hit by two kicks falling from the sky on the night and smashed a bag.,Alas....I don't even know whose cannon I smashed...I've been hit by such a small odds, calm down, maybe I will win the lottery this year, and the stock will be doubled! So don't be depressed, you think it's a good omen, he's a good omen! >>>More
Because the reason why you can see yourself in the mirror is that the light is reflected into the eyes through the mirror, forming a virtual image, and because it is dark, there is no light, the mirror will not image, and you will not see yourself. >>>More
There are other people in your bedroom
It may be cockroaches, which often come out in the evening in search of food or lay eggs, and they sometimes make the sound of flapping their wings when they come out at night.