30 Dog Photos Before & After Their Life-Changing Adoption

It's estimated that 78 million dogs are owned in the United States. That means that roughly 44% of all households in the country have pet dogs. The American Pet Products Association said that 34% of them are purchased from breeders and 23% are obtained from a dog shelter or humane society.

Problematic and aggressive behaviors, the dog growing larger than expected, or various health problems are reported to be the most common reasons why owners rehome their pets. However, as this post proves, there still are kind-hearted, responsible people who aren't afraid of these challenges their cute dogs give.