After the great joyousness of 25 ways to cuten up a box with a cat, I present my own version. Well, I should say that it's mine and Ayla's version. All our cats contributed.
Section 1 - how boxophilia stays with cats through their whole lives
Example 1. From tiny kitten:
to great big lump:
Example 2. From playing in litter boxes:
getting bigger ...
to, well, another great big lump:
Sharing boxes with foods and drinks
Apparently camping equipment and Christmas decorations make good lying on material too
Sometimes box positions are used to intimidate the viewer
To hide in ...
And sometimes boxes are just there to make people go "ahhhhhh"