An impossibly sweet, previously viral video of a dog celebrating his birthday [3] by splashing around in a pool with his friends [4] is making its rounds on social media yet again for good reason: it's every dog-lover's dream. Lucky Puppy, a doggy daycare in Michigan, threw a birthday pool party [5] for one of its tenants, and we sincerely wish we had been on the guest list. Watch until the end to see all the happy pups in action.