Chocolate

In itself a sensuous food, plus it contains the chemicals anandamide and phenylethylamine, which boost serotonin levels - the feel-good hormone. However, there is debate over how much of the chemicals our brain actually absorbs, and gorging ourselves on a family-sized Dairy Milk to make up the difference could actually be a passion-killer. However, a strawberry or two dipped in dark chocolate couldn’t hurt.