I wonder what Han thought of using the lightsaber? How would it have felt in his hand?
Han is familiar with the tales of the Jedi. Now he is there holding the weapon of legend in his hands. Would it have tempted him to try and replace his blaster in combat. Probably not, Han loves the feel of a blaster pistol in his hands. But do you think he was tempted by the power that a lightsaber holds.
Imagine Han not only the husband of Leia but also the Padawan.