"But I have seen another one of your model." Han says with a thoughtful tip of his head. "My friend has one a lot like you."

Han, still hasn't put together than Byrn and Blaze are one and the same, but he certainly remembers the guarding traveling around with another floating robot. He'd be content to chalk it up to Nexus weirdness if the little droid had answered more matter of factly, but it seems to be waffling. Very much like a person does when they're not sure what to say ...