Learning you're "Depression Barbie"

There's a brief clip of Mr. Darcy's first proposal in the Barbie movie and "Depression Barbie" is referenced. My children find this hilarious as they all know this movie through osmosis. My son even had a T-shirt made for me referencing my favorite line. Oddly enough, the one used in the new movie.

The world is a rough place. Why shouldn't we retreat once in a while to our illusion? Reality can be tough. Fiction is a wonderful place to forget the troubles of the world for a few hours and spend time with interesting people. When you get lost in illusion, what's your favorite go-to fictional world?