‘After 72 hours… We aren’t legally obligated to return her': Couple face dilemma after falling in love with stray puppy, but then discovering she already has a home, a toxic one

What would you do if you found a stray puppy who looked malnourished and beat up and you rescued her? You took all the proper steps before falling in love: You got her checked at the vet for records and a microchip and nothing. You even scoured the internet and called all the nearby shelters to see if anyone was looking for her, and nothing. So you allow yourself to fall in love with this pup and welcome her into your heart. You think this puppy came to you for a reason and it is now your furbaby. But then a neighbor finds a random facebook post that looks like the puppy and is from around where you found the puppy. But your neighbor also says that these people seemed unenthused about this dog and seemed to have a home that did not provide proper care for a dog. What would you do? Would you still return the dog or would you keep her? The dog is already looking much healthier and her personality is starting to come out and you don't want to return her to a potentially toxic environment? If you just wait a few more days, you do not legally need to return the pup. So what would you do? What is the right thing to do here? This is the exact dilemma one couple came to Reddit asking help in—see their story and Redditors mixed responses below!