Osho – No problem at all. When the mouth opens, just allow it. Don’t close the mouth when it wants to open. It is nothing of a problem. It is perfectly good. The mouth opens because the energy reaches the mouth; the opening of the mouth is perfectly beautiful.
It’s perfectly beautiful. If it is closed then it will be troublesome. Then the energy will be there like a tension. Your jaws will start feeling the tension. A few people have that problem: energy comes there but the mouth does not open; then their jaws become too tense.
And if your jaws become tense you will feel angry, you will feel irritated, you will feel continuously irritated for no reason at all and you will find excuses to be angry. This is perfectly beautiful; it is a relaxation.
Source: from Osho Book “Turn On, Tune In and Drop the Lot”