You may make some concession but if it is a long term stay stick mainly to your usual routine, she will either adapt or go back to her place. Cooking separately long term becomes areal chore, if it is long term you would of course expect her to share cooking and accommodate to your meal choices.
4 Years On…..Health-wise, Has Anything Changed?
To think that London, or anywhere else for that matter, does not belong to any one demographic