An earlier version of this story appeared in Kids Today, Vox’s newsletter about kids, for everyone. Sign up here for future editions. A Vox reader asks, “Why do children often have imaginary ...

Every Imaginary friend is born out of a specific necessity ... backgrounds of an English town and a visual palette that looks like moving illustrations of a children's book.

It will never be like this forever ... A new person for Mr Imaginary Friend to look after.