Coffee lovers should be prepared to brace themselves, as an Italian coffee expert has revealed how they could be drinking the beloved beverage wrong. However, despite being passionate about the beverage, there are plenty of things Brits do that can apparently ruin their coffee experience. The time of the day matters too, according to the expert, and he advises double espressos for the mornings, rather than filter coffee. As for instant coffee, Matteo advises just drinking 'something else' instead. The expert explains, 'Ground coffee can only survive a few minutes without oxygen, so there are a lot of chemicals used to preserve instant coffee.