What does the speaker want you to tell them regarding lunchtime?

The speaker is likely seeking honesty or sincerity about lunchtime, which suggests that they value straightforwardness or an accurate reflection of the situation. Asking for "the truth" implies that there may be nuances or considerations about lunchtime that go beyond mere facts or embellishments, and they want to hear an authentic perspective. This request for truthfulness could be rooted in an interest in understanding real experiences or preferences related to lunchtime, rather than just surface-level details or opinions that may vary from person to person. The aim is to invite a candid response that represents genuine thoughts or feelings rather than a fabricated or overly optimistic version of events.