Conclusion: it’s just a glass… but what a glass!
Upside-down glass on paper in the sink is neither a passing fad nor a superstition. It’s a clever trick, validated by professionals, tested by thousands of households , and above all, very easy to implement.
So this year, before you leave, make sure you tick all the boxes:
✅ Passports
✅ Sunscreen
✅ Empty the fridge
✅ Water the plants
✅ Place an upside-down glass on paper in the sink
A little something… for great comfort.