It looks very unpleasant - a well-pumped guy is trying his best, and the lady's face is covered with a strange grimace. In general it is not clear - whether she enjoys sex or performs an unpleasant duty! And the body of the lady is not particularly that glitters, and her breasts and nothing at all!
The granddaughter had a crush on the old man, and the grandfather was still full of energy, he did not lose face in the mud. The old man worked out her hole, good granddaughter went well, although it would have been even better with a beer.