From decadent boutiques to award-winning chocolatiers, these guides know their cocoa. Plus, it's fine to be a chocoholic because chocolate is scientifically proven to make you happier and raise endorphins. Yay! Plenty can be found in ritzy Mayfair, where a host of chocolatiers, both traditional and modern, have planted their cocoa flags – learn about the history of chocolate, sample delights and discover London. So, indulge in this tour that takes you from Hotel Chocolat to the luxury surroundings of Fortnum & Mason's and beyond. Yum. Wear comfortable shoes and clothing. Your ticket includes seven tastings throughout the tour. Please arrive on time or the tour will leave without you. Sorry, but no refunds for latecomers.