A good place to flirt while waiting in line, says Sara McCormack Hoffman.Hoffman, who teachers aclass on yhe joy of flirting at the Open University of Minneapolis, says there are better and worse places to flirt. Another good place is in a store or shop, where you can talk about merchandise. Hoffman says the worst places include bars, where there are high-pressure situations with loud music and alcohol, and the things you say may go unheard or unremembered