I love crusty bread dipped in olive oil and herbs, and I make a rosemary and myrrh infusion with olive oil that is a tremendously good scalp treatment for encouraging hair growth. A friend I had many years ago swore by it as a hair conditioner and I have never doubted her!
Olive oil was used (and may still be) for anointing, and I like to imagine that the lamp the Genie popped out of in the story of Aladdin was filled with it before the genie took up residence inside.
It never hurts to have back up sources of illumination, and it's a simple little project to whip up some olive oil lamps with empty pickle jars, orphaned water glasses, even the olive oil bottle-pretty much any sort of vessel that will hold some oil and a wick. An olive oil lamp is ever so much better than one of those stinky petrochemical burning lanterns, and one can get as creative or lazy as one likes with the design.
(You can guess from the picture that I was feeling creative and rather lazy at the same time!)
Many years ago, a woman told me that sweet oil was good for treating ear aches. What is sweet oil but wonderful olive oil in disguise? If one happens to be a bit on the constipated side, sometimes a straight tablespoon or two of olive oil will get things moving. If it doesn't have some more-there are no ill effects!