[The words do actually get to him, and he feels bad for arguing, especially when Otoha made a valid point. Johnny knew he was right and he was touched that Otoha considered him a friend.

Which is why he fell back on 'I'm an unworthy monster' and set up a proverbial wall.

A wall he helped to establish by stepping away from the human and putting his hands behind his head so he couldn't see him. As if he didn't care about any of this.]

Heeey~ Now there's an idea~ You're right, you should just kill me, Otoha. No need to drink blood then, and the bubble would be down one more dangerous monster~

And then, like Prometheus, we could have the same date every five days, hmmm~?