Hearts melt as senior dog is caught playing with owner's new puppy

Introducing a puppy to an older dog is not always easy. However, when the two pups manage to bond, their friendship is forever. A dog owner has melted hearts on social media after sharing a video of her senior dog playing in the backyard with her little pup brother, who was only rescued a few days ago, teaching him how to play by chasing each other. The heartwarming post shared to TikTok last week by @sierrahayo comes with a text overlay that reads: "Watch our senior dog play with our...