This is a game I play with myself when I’m stressed out and can’t sleep. Figuring out all the logistics and possibilities takes my mind off of whatever it is that is keeping me awake. For example, I’m a pretty good carpenter here and now, but how would I do without power tools? After much thought, I’ve decided my most valuable skill in ye olden days would be crocheting. It doesn’t require much in the way of specialized tools and everyone likes a nice fuzzy scarf.