Tarzan uses a very sharp rock to shave.I think you'd have to be like 162 to die of old age. If that item was a person, I'd bring Smith Puget.He's fucking entertaining.  If it had to be an object, I'd bring a 9000 page book of rock and roll fanfiction.I didn't even think about a boat. Then again, I could just build one from the trees on the island, if there are trees on the island.