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It depends on how long your hair is, and it usually won't.
As an ordinary person, it will definitely not, because the angle of your head tilted back will be very small, and there is the height of your upper body, the hair is average but will never touch the trash can, and the height of the trash can will generally not exceed the height of the toilet, unless your hair has far exceeded the height of your upper body.
I'm going to like you. My friend used to use the toilet to take the opportunity to watch the male god.
No, just can't pour water out.
You should ask the doctor, instead of blindly taking medicine, there are different opinions on the Internet, and it is more realistic to find a Chinese medicine doctor!
Yes, little bugs will take advantage of the opportunity.