Lastly, drink them on their own, as aperitifs, after dinner, or as a nightcap, but above all, don’t wait for that elusive special occasion. The sugars in sweet wines preserve them – an opened bottle will keep in the fridge for more than a week. As one Sauternes winemaker said when I asked her what advice she had for those who were unsure how and when to drink her wines: ‘Just open the bottle.’