Loose ends start accumulating and there comes a point where you realize there's no way they could possibly be resolved coherently in the time the series has left. I was feeling this in a big way during seasons 6 and 7 of Game of Thrones.
Staying warm actually does ward off illness. Specifically, you need to keep your nose warm or else its local immune response becomes surprisingly ineffective.
A no-contest plea indicates that while a criminal defendant does not admit guilt, they waive their right to a trial and allow the court to treat them as if they were guilty for the purposes of sentencing.
Honestly, what the fuck is that? Shouldn't even be a thing.
This would be my answer too, but because it would instantly give me a much better understanding of the etymology of many words.