Whoever said, 'Happiness is a warm puppy,' couldn't be more right. 

Even though they might pee all over the place, chew up the newspaper and drink out of the toilet, it is all worth it because every time you go back home to them, exhausted, they give you the best welcome in the world!  

If you too are a crazy dog parent, you'll definitely relate to these 11 adorable illustrations by Lastlemon: