Screenshots from an April 10 TikTok video of a three-legged chocolate Labrador dreaming of running by moving his muscles on all fours. Screenshots from an April 10 TikTok video of a three-legged ...

There's nothing quite as cute as a puppy, but it's all too easy to let that cuteness cloud your vision. They're impossible to resist when they look up with those big eyes or curl up in your lap!