Okay, I understand you. I think you should tell her straight. That you don't want to do this. And you apologized to she. I think she understood Because everyone must have a business of your own. You should tell her to any other reason. I have come across a situation like this. I told him to sell to other people better. But he will sell it to me. Even so, in the end, he is understand and willing to do as I say. Then we understand each other is not a problem at all.