Jack, left to his own devices, finds comfort in the familiar rhythm of his hand around his throbbing cock. His wife's infidelity, a mere room away, fuels his desire. He pictures her, lost in ecstasy with her black lovers, their bodies entwined, their moans mingling. His strokes quicken, his breath hitches, but he remembers the command - no cum. He's just a spectator, a silent participant in this taboo dance of lust and solitude.