Well yes as I said before she woud like her brother to torture(rape) her but also she woud like him to take initiative for once rather than begging him all the time :)
So she woud be pretty pleased if he would attack her But either wasy it woud be not because of what she did to him but for other reasons :)

Maybe he can rip out her ovaries and make her cook them for him :)
as ovaries look more or less same as balls