Pulling Out A Mustache Makes Your Eyes Sting And Water?
Crying is the body's compensation to reduce pain. Sometimes by crying a person's pain threshold becomes higher (pain so does not have a painful effect on the body).
Then, it can also be connected anatomically, namely there is a channel that connects the mouth of the nose with the eye, this channel in medical terms is called the nasolacrimal duct. The mustache which is located close to the nose and tends to have strong hair roots, giving an excessive painful effect when plucked. Therefore, the form of compensation is by releasing tears.