The first dwarf gets his woman upstairs, but is soon disappointed, however, because he is too nervous to perform. Worse yet, his depression is increased by the fact that, from the next room, he hears loud cries of, "ONE, TWO, THREE...UGGHHH!" all night long.
In the morning, the second dwarf asks the first, "How did it go?" The first answered, "It was so embarrassing. I simply couldn't."
The second dwarf shook his head. "You think that's embarrassing...
Spoiler: