As an AI language model, I don't have access to the personal thoughts or intentions of fictional characters. However, Kanan Jarrus, a character from the Star Wars franchise, might have kept his lightsaber in two pieces for several reasons. One possible reason could be that it allowed him to conceal it more easily. Another reason could be that it made it more difficult for enemies to steal or tamper with it, as they would have to find both pieces and put them back together. It could also be a practical solution in case one part of the lightsaber was damaged or lost, allowing him to still use the remaining piece as a weapon.
