Being Intubated is kinda like breathing thru a straw, it is somewhat difficult, but the airway is secure that way, plus air is being pushed to his lungs,
vs. how we normally breath(our diaphragm drops and
air fills our lungs like a vacuum). Most people intubated have some discomfort, so they usually give the pt medicine that keeps their anxiety low and also medicines like "Versed" this will prevent any memory of the event, so people are not traumatized by being intubated.