Everyone prefers some foods over others but some adults take this tendency to an extreme. These people tend to prefer the kinds of bland food they may have enjoyed as children - such as plain or buttered pasta macaroni and cheese cheese pizza French fries and grilled cheese sandwiches - and to restrict their eating to just a few dishes.
When I was younger it was - you know my dad dressed up in drag on 'Bosom Buddies.' And that was what I was having to deal with at the time. And then around the time that I was into college was when he became statue-worthy I guess you could say.