For a moment he only stood there looking toward the sound of the ocean, which was very clear in the stillness.
'You really ought to get off whatever hunger strike you are on, Mr Halleck,' he said without turning around. 'In many ways the world is nothing but a pile of shit. But it can also be very beautiful.
Billy cannot tell anyone outright about what has happened to him, because he would sound insane. It must be excruciating not to tell anyone, and throughout this chapter, Fander probably thought Bill was just obsessively trying to lose weight, but in retrospect, he is attempting to reverse a curse, which obviously, doesn't sound sane. This quote was relatively depressing, because Bill is trying all he can to not die from this, and someone just assumes that he does want to kill himself.