Sorry, wishing. She sounds like she was a great hen.. sorry for your loss.Have you seen pics of Lisa's place in the winter? Snow up to the eaves! Would make you feel much better about life in TX.
Maybe is has something to do with how our bodies respond to cold... outer blood vessels constrict to push the blood toward the warmth of the core. Not sure how that causes pain.I know when I am cold I have trouble relaxing. Could be it causes you to tense up in some way that makes the pain worse or just more noticeable.
My old hen, Penny, died today. She had a good last day, even spent last night in the coop, her choice, and roosted next to Grace, her friend since they were chicks. So, only 3 old hens from my original batch of chicks left. 6 year olds, all still laying the occasional egg... Welsummer (Grace), EE (Monkey), and buff Orp (Peach the therapy chicken). I realized I am much more attached to these old girls since they are super friendly. None of the chickens I have added to the mob since then have been anywhere near as friendly... except maybe Spike. She's a goofball.
Time to take poor Penny up to the farm. Going into to the circle of life.