Assumption that for health reasons I can no longer get in and out of the mog.

Well that means I would also not be able to sail so would have to move to a classic looking power boat. Something like

http://www.transworldyachts.co.uk/boats-for-sale/327/Swordsman-METEOR/

And for a car a Lanchester

http://www.classiccarsforsale.co.uk/detail/motors/classic-cars/lanchester/light-six/146635

And I would also make sure the mog went to a good home

Pete