She has been to collect her things (he owns the house and pays for everything so there is nothing to sort out there) and she has taken...
Everything!
Cups, towels, shampoo, conditioner, the rug, washing powder, cleaning products, toilet roll, food and even a half used bar of soap out of the shower!
You name it, she has taken it.
My DB had to go shopping today to get everything but thankfully he is a good sport and thinks that it is funny 
She hasn't returned the spare key yet but I have advised him to get the locks changed anyway.