The pistoning grip on my penis slackened fractionally. I groaned and grabbed at her hand, forcing it back into motion. The move seemed to rekindle her, and she went to work again in earnest, speeding up and slowing down, bending to feed me her breasts or supplement her strokes with sucking and licking. My time perception spiralled out of sight to be replaced with an endless gradient of sensation that sloped upward, excruciatingly slowly, towards a peak I could hear myself begging for in drugged tones somewhere far away.