Then the stimulation gradually lost intensity again. As the girl's tongue started getting exhausted, it got weaker and slipped slightly off the right spot. It was still good, but definitely not as good as it could get. And Mary knew she wanted the best. Because the girl could – and wanted – to give her just that. Her hand came down behind the dark head in an instinctive attempt to increase the intensity by squeezing her harder against her. The girl groaned in ecstatic joy, sinking her face still deeper into the musky wetness soaking her face, but without any sign of understanding the demand for an increased stimulation effort. So; better get the focus back on the training she had actually changed position for. The girl still had a long way to go. First of all she had to learn and apprecia

