There is the precedent of the Duke of Windsor.
.. which still rankles at No 1 Coronation Street (aka Buck House).
Her late Maj the Queen Mum (gawd bless 'er) blamed her husband's early death on the unanticipated strain of Kingship - during a war too. And so blamed Wallis and Eddie for it all. (Personally I think the 40 a day might have something to do with it)
Mind you - I can't imagine Ed VIII and Mrs doing as well as Geo VI and his .....