tell us your tale , oh taco , so that perhaps my advice might be of some avail to lift your spirits , and perhaps you might guide us through the labyrinth of which you are the sentinel that had been all the tacos spectre had been waiting for : an opportunity to disclose his self-pity , to speak of his misfortunes in an arrogant , yet self-deprecating tone , and ultimately waste the time of our heroes , so that they might not reach the summit of mount hockey .