In Sophie Kinsella's "Mini Shopaholic," the protagonist is preparing a surprise birthday party for her son, Luke, and emphasizes the importance of secrecy. Speaking in a hushed tone, she communicates that she will only divulge this information once, highlighting the gravity of the situation. This creates a sense of excitement and urgency surrounding the surprise party preparations.

As the narrator shares the thrill of planning such an event, she humorously notes that the person she is speaking to is one of the very few privy to this big secret. The playful remark about needing to "shoot them" adds a layer of comedic tension, showcasing her determination to keep the surprise under wraps at all costs.