It sounds like you're asking a fun, silly question. Here are a few reasons why a dog might *want* to mail another dog, even though it's impossible:
* They're best friends: Maybe the dog wants to send her friend to a new place, like a park with lots of squirrels!
* They're playing: Dogs love to play pretend. Maybe she's seen a dog in a box and thinks it's a fun game.
* They're hungry: Maybe she's trying to send her friend to the place with the best treats!
Let me know if you'd like another silly scenario about dogs! 😄