`` the lingering ones are holding on for one final christmas , '' said mr. ibis , `` or even for new year 's , while the others , the ones for whom other people 's jollity and celebration will prove too painful , have not yet been tipped over the edge by that last showing of it 's a wonderful life , have not quite encountered the final straw , or should i say , the final sprig of holly that breaks not the camel 's but the reindeer 's back . ''