Change people's speech to include winces, grunts, maybe expletives, when they're suffering from a certain level of damage or if they've suffered damage to their stats from recent damage.
In fact, there are a whole slew of minor messages that have always bothered me because they impose a reaction or action on my character and I am always happy when they get cleaned up. I'd rather avoid features that decide what foods I like, what curses I use and the like.