Today is my four-year "vegaversary".

Resolves NO if, on October 5th, 2024, there was any point in the preceding year at which I was not vegan (for the purposes of this market: voluntarily ingested a food despite knowing at the time of consumption that it contained at least one animal-based ingredient, when it was not essential to my survival to do so).

Resolves YES otherwise.

For the purposes of this market, I consider "essential to my survival" to mean at least one of "necessary to prevent the absolute risk of mortality within the next year from increasing by at least 5%" and "a practice which, if abstained from indefinitely, would result in the expected remaining lifespan decreasing by at least 50%", per the evaluation of a qualified medical professional with relevant expertise.

I will answer honestly any questions in the comments pertaining to my veganism, but I reserve the right to disengage from a line of questioning if I regard it as argumentative.