Turn it all around on her, tell her that the house hasn't been as clean as you expect and this will beher chance todo some deep cleaning whille you're gone. Tell her that if the house isn't spotless by the time you get back, she'll beout on the curb. Then tell heryou'll probably be sore from all the tree climbing when you return and to get some massage oil, a hot meal and some cold beers ready too;-)