After a while he sat up, gazed longingly at the water bucket and crawled down from the bunk.

He drank largely in great gulps.

His bloodshot eyes strayed meditatively to the coffee pot.

After an undecided moment he walked uncertainly to the stove and poured himself a cup of coffee.
Casey lifted the cup to drink, but the smell of it under his nose sickened him.

He weaved uncertainly to the door, opened it and threw out the coffee--cup and all.