[His smile at that last comment is a tight one, only barely registering any passing resemblance to a smile at all. Haise could say that he wouldn't be very appetizing to ghouls, which would be true, but that wouldn't preclude any of them from eating him.

In Cochlea, incarcerated ghouls were fed a "stew" made of ghouls that had been done away with, in point of fact]

Ah, I'd put up quite a fight if the attempt was made, I can assure you...

[It's what he's trained for, not to mention being a half-ghoul himself]

Most predation cases occur at night or in instances where an individual is lured out alone. Just to be safe, it's good to keep those things in mind.