Not that Han was trying to be sneaky in obtaining information, but that tells him his new friend probably wasn't an everyday human to start with. He hasn't ever met any that started off so big that they can't tell weither they gained or lost mass when they became a dragon.

"Still." He says with his lips pursed into a thoughtful line. "I can't imagine what it would be like to wake up as something else entirely. I imagine it'd be hard on the ... psyche."