the bucket tipped forward and the water flew out , all of it seeming to hang suspended for a moment in the yellow lamplight like the largest uncut diamond in the universe , and he saw the dark man 's face through it , reflected and refracted into the face of a supremely grinning troll who had just made its way up from hell 's darkest shit-impacted bowels to rampage on the earth ; then the water fell on him , so cold that his swelled throat sprang momentarily open again , squeezing blood from its walls in big beads , shocking breath into him and making him kick the covers all the way over the foot of the bed in one convulsive spasm so that his body would be free to jackknife and sunfish as bitter cramps from these involuntary struggles whipped through him like greyhounds biting on the run .