Here is what it would be like to have Celestia behave like a dog.

https://youtu.be/vskKWizPARM[/youtube]

I'd prefer a Tia that acted like a horse

I'm surprised how that man survived considering what he had to go through with her when taking her for a walk.

You post this into the "Celestia is Best Pony" group? No offense, but that's a pretty humiliating depiction for anypony, especially for the Glorious Princess.

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I didn't see anything in this video that made it humiliating to Celestia, and if anything, it shows how she tends to act even though she is shown as a dog.