I cleaned our double-door fridge three years ago when we moved into this house and I have not cleaned it since.
I feel that I should be ashamed but somehow I am not.
After the grand cleaning something odd happened. I developed a habit of wiping down, after use, with a wet sponge every jar/bottle/container/ whatever that lives permanently in said fridge. I probably thought that I was postponing, by this habit, the date on which I would have to repeat the horrible task and that has worked .
Now in our set up Mr Labradora is hygiene mad whereas I have a more relaxed attitude to dirt and dust. Amazingly Himself objects to my "wiping-down" habit and is vocal about it when he remembers.
Weird !!!!!