Ill elderly (comparatively) relatives can be a pain in the posterior! But charity is always the best thing. Being an invalid, even temporarily, can be most irritating and distressing to the person who is normally active. Been there, done that.

Jeans are, to my mind, an invention of the devil unless worn where a heavy fabric is necessary for safety. Light weight slacks (trousers) are much more comfortable. (Of course when I was growing up, all the boys wore short trousers in summer and knickers (plus fours for the Brits) in the winter.