The ears are connected to your breath through the eustachian tube behind the nose. When you hold your breathe and exert strength, some air may might leak and pressure your ear, therefore your ear will get blocked.
The ears are connected to your breath through the eustachian tube behind the nose. When you hold your breathe and exert strength, some air may might leak and pressure your ear, therefore your ear will get blocked.
Xercises 
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