Which sentence in the passage is an example of metaphor? He stared out the window, with thoughts of the days to come drifting through his head. There was excitement but also nervous anticipation—a visit from his sister was sure to upend the normal family routine. Full of new ideas and eager to share, she would be a whirlwind in the otherwise quiet household. He knew that they would have a great time together, but he also was going to miss having more space and attention for himself. Still, he wouldn't have it an other way.