Detailed Instructions: In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.
Problem:I know you've been waiting for this . Immer treu . " She murmured his last words back to him , looking back down into her glass . He tossed some coins down on the bar and walked out as he had come in - without a notice to anyone else .
Solution:
Why did he toss some coins onto the bar ?