"They hate me in the stores," says Ela Vivonetto, a former caterer who is teaching a class in the Thai art of food carving at the Von Liebig Art Center. "I'll put it back but I'll tear a display apart. I'm spending $10 for a watermelon. You know I'm going to get the best ones. I mean, if there's a bump, a bruise, a mark, I can't use them."