Don't let her move any more stuff or her cats in until it's resolved. Shes old enough to not be freeloading It's VERY normal for couples to share rent. If she doesn't then is she covering food or utilities instead? Maybe just say look sorry this isn't going to work as we both need out own spaces and that she needs to find a flat elsewhere.
There, I fixed it.
Don't let her move any more stuff or her cats in until it's resolved. Shes old enough to not be freeloading It's VERY normal for couples to share rent. If she doesn't then is she covering food or utilities instead? Maybe just say look sorry this isn't going to work as we both need out own spaces and that she needs to find a flat elsewhere.