The loss of control is a terrifying thing. But — you reclaimed control in the end, and you keep it even now. If — as you worry — there is another ... and if eating is enough stave them off, then their only concern may be consuming enough souls for sustenance.

[Again, Diavolo pictures Cervo, who lives only to eat. It feels so natural to Diavolo that two could coexist, entwined so deeply in each others' lives. He doesn't realize how much he feeds into these ideas, how he entertains the thought. It would be ... nice, he thinks, to have someone to relate to on that level. If any of this is factual, if it isn't just the work of the overactive imagination of a man desperate to avoid taking responsibility for his own actions ...

Then, with his missing memory and his body acting on another's whims — more than anything, Steven reminds him of Doppio.

Ugh. That is far too much to project onto someone he's only just met. Still. With Cervo and Doppio, he maintains a balance. He does not speak of Cervo to Doppio; it is Cervo's choice to reveal himself, if he so desires. He lacks that respect for Steven or the theoretical other with him. So he pries further.]

That is, assuming feeding was the only goal. Were you unaware for long? The one "you" fed on — were they anyone to you? Someone you were familiar with, or just an unfortunate bystander?