Idea / suggestion: What if there was like a 1/20 chance that one of the corpses you come across is, in fact, NOT dead. And (given that there are minigames for healing now) you are able to save the dying survivor. If you do manage to save them, they would (basically become your companion) and follow you. You would be able to talk and trade with them, and when you lie down to rest, they would snuggle with you and you would get a better rest.
:3
Or you can watch them die and take their loot (which i would imagine would consist of a container of some sort, a couple food items, a drink and some med supplies)
I would imagine once you find a dying survivor in a run, you would not find another until your companion died (which would be sadge), or never again until the next run.
¯\_(ツ)_/¯ its just a suggestion