The cheese board is my big treat at Christmas that I have to deny myself during the rest of year.

The line treats Christmas indulgence as a sanctioned exception to everyday restraint. By singling out a “cheese board” as his “big treat,” the speaker frames pleasure as something both intensely personal and deliberately rationed—suggesting dieting, health concerns, or simple self-discipline across the year. The humor lies in the disproportionate seriousness applied to a homely festive food, a comic inflation that fits a self-deprecating persona: the grand holiday reward is not luxury in the abstract but a very British, domestic ritual of cheeses. The quote also hints at how holidays function culturally as moments when ordinary rules are relaxed, allowing guilt-free enjoyment precisely because it is temporary and ritualized.