Hmmm... A man was in for his eye examination when the doctor told him, "You're going to have to stop masturbating." He replied, "Why, doc? Am I going blind?" The doctor said, "No. You're upsetting the other patients here in the waiting room!"
--- Breathing is important! If you don't breathe, your sound will deteriorate, your phrasing will suffer, and you will die.
--- The difference between an amateur and a professional: the amateur practises until it's right; the professional practises until it never goes wrong.