However, two months ago, the illness returned and it made him unable to walk. So the owner decided to take the doggie for a ride on a wagon. What started as an attempt to make Mav's last days as joyful as possible, turned out to have an incredible effect on the doggie's health.

"If we take him out, he barks at everyone who passes until they pet him because he thinks the whole world is there just to love on him," Maxwell told CBS News.