<em>Um... You have to include the text that goes along with this story so that we can answer the question correctly. I don't want to make you mad about this because I know that there are people who would get mad about this sort of thing but I just wanted to let you know that without the text we won't be able to answer your question the correct way, meaning that you would likely get it wrong.</em>
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<em>Thanks for reading this and have a Merry Christmas,</em>
<em>Miri</em>
Answer:
sadness or misery
Explanation:
he's trying to convince whomever that letting him become his assistant will bring together something that can only bring good things. Like turning sadness and misery in their home to pure love