But despite the obvious attractions, Zarah Collard, 31, was heading home. She felt sick and her one-year-old son was getting manic in his pushchair. "We've eaten loads of everything," she said. "Archie probably won't sleep for three days."
For those dieters who had failed to resist the temptations of "Chocolate Wonderland", which runs through the weekend at the Royal Horticultural Hall in London, Weight Watchers had taken a stand to pick up the pieces.
"Delicious, isn't it?" said the slim lady behind the counter as she handed out samples of chocolate mousse.