Since this is a viral hit, you've probably already seen these darling photographs that a mother caught of her toddler napping with their puppy, but for the few who might not have found it:
http://www.natureknows.org/2013/12/toddler-naps-with-his-2-month-old-puppy.html?m=1, but the photographer's blog is at www.mommasgonecity.com. You can't beat the cuteness factor, can you? Apparently there is a book coming out in 2015 with photos of the two (Bedtime for Theo and Beau). Looks like it will be a sweet book.