"Dumbledore is usually right. You had no way of knowing it would turn out to be a fruitless mission." Tonks had strangely mixed emotions hearing him talk about what he'd spent the past year of his life doing. On one hand, she was glad he realized just how dangerous it was. On the other, she felt a creeping sense of dread--what if he had been killed? Would he have thought it not to be worth it?
She cracked a tiny smile. "I've been telling you it was a suicide from day one. Shows how much you listen to me." It was as much of a sense of humor as she was able to show right then, but she was trying.
At his request, her breathing hitched and she didn't say anything for several seconds. Not because she was hesitant, but because she didn't know words strong enough to convey what she wanted to say. So instead, she said in an equally quiet voice, "Of course I will."