Once you give a dog a home, you'll find it hard to live without him or her! They bring us so much on so many levels: affection, loyalty, sense of security...
They watch over us, comfort us and even save lives in certain circumstances.
It would take much more than this article to list all the great things about having a dog. So we've selected 18 photos that perfectly sum up why dogs are indeed "man's best friend"...
1. They are the best medicine in the world
2. They can guard anything!
3. They love hugs - with us and with their canine pals
4. They stay by our side when we're poorly, like this Labrador-Retriever beside a diabetic child
5. This British Bulldog may be taking a break, but as with all dogs, they encourage us to keep fit
6. They love a good road trip - this Bernese Mountain Dog is the perfect travel companion
7. They make us laugh without even trying!
8. They lift our spirits
9. They're always happy to help
10. They patiently wait for our return, even if it takes all day
11. Road trips apart, they also love hikes with their family!
12. They save lives like Kesley did for her dad, Bob
13. They have very strong maternal/paternal instincts
14. Need a babysitter?
15. ... and we're not just talking about human babies!
16. They're also excellent groomers
17. They're our No.1 fans
18. They are impossibly adorable!