"At Beppu Menkan Japanese restaurant, eating is as much enjoyment as it is torture. Diners habitually feel their faces turning bright red, their lips swelling and scalps itching... In this Far East Square eatery, ramen comes in five levels of spiciness - marked by one, two, four, six and eight-chilli symbols on the menu... Every day, Chuan Szechuan restaurant in Purvis Street receives up to 20 orders for Flamboyant Fish, its spiciest dish which comes submerged under 5cm of chilli oil... 'There is a saying that eating chillies can help you forget your problems,'..."