and his legs ... his legs felt a little jittery , as if they would like to tap along with the music , as if tapping along with the music would relieve them , make them feel cool and just like legs again- he felt a little frightened at the way that thought , which had begun so ordinarily , had gone corkscrewing off in a wholly new direction like a man lost in a big house and climbing a tall crrrrystal staircase- there it was again , and it was probably the pill he had taken , olivia 's pill , yes .