By Erin Lynch

Well, this has to be one of the happiest dogs I have ever seen and rightfully so! This adorable little guy is Nitro, who is more than happy to be home, running free in his backyard, since he is no longer spending his life at the race track.

According to the track kennel handler, Nitro never wagged his tail and was miserable for the first couple of years of his life.

Now with his new owner, Dan Swede, Nitro is a 100 lbs. of pure muscle, he loves to run, and can finally take long naps with his legs stretched out!!

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Source: PetFlow Blog

Category: Dog, Funny