he gave advice , cool , sensible , and unfailingly correct ; he knew more than the graveyard folk did , for his nightly excursions into the world outside meant that he was able to describe a world that was current , not hundreds of years out of date ; he was unflappable and dependable , had been there every night of bod 's life , so the idea of the little chapel without its only inhabitant was one that bod found difficult to conceive of ; most of all , he made bod feel safe .