A woman who moved out of the house she shared with her father was worried he'd miss her and her three pets, so she surprised ...

the new puppy was a perfect companion for their other dog, a long-haired Chihuahua named Mila. TikTok users have been deeply invested in the story, with comments ranging from humorous to heartfelt.

All Chihuahuas weigh up to 6 pounds and stand between 5 to 8 inches. They’re known for their independent nature and “big dog attitude” – despite being the smallest dog in the world.