The aging process seems to strike first at the mechanism which warns that we have been talking too much and the listener is growing restless. The signal isn't perfect at any age - drink, for instance, throws it right out of kilter - but it is almost non-existent in old people.
Barbara WaltersBefore we had airplanes and astronauts, we really thought that there was an actual place beyond the clouds, somewhere over the rainbow. There was an actual place, and we could go above the clouds and find it.there.
Barbara Walters