In the narrative of "Lucy Sullivan Is Getting Married," the protagonist reflects on her reckless driving habits, which she shares with a friend named Daniel. She describes the thrill of speeding away from traffic lights, enjoying the envy of other drivers, a bold act that Daniel playfully labels as "burning them up." Her driving style is characterized by an audacious disregard for others, including cutting in front of cars, which adds to her reckless reputation.

Additionally, while caught in a traffic jam, she engages in flirtatious behavior by winking and smiling at attractive men in neighboring vehicles. Daniel's humorous term for this cheeky interaction is "acting like a brazen trollop." These anecdotes illustrate a side of Lucy that embraces excitement and risks, highlighting her adventurous spirit and the playful banter shared with her friend, contributing to the book's lively tone.