If they do, it could be because they want to feel more like part of the family, or it's just a particular animal's personality and that animal was matched with the person meant for it.
@imbj - Thanks for posting this... any treatments for this in dogs is great and great that there is ongoing research ongoing for all cancer in dogs and humans too!
Yes, I'm glad to hear differing opinions! We're keeping our options open but leaning toward a purebred waterdog of some sort. I'm sure I'll be back later with questions about how to integrate a new puppy in to a home life ruled by a cat (and with an African basenji in the mix)... :)
That is a happy ending! My SIL's boxer ran out the door one Christmas morning at the other SIL's house. We all watched in horror as she dashed into the street and ran INTO an car. She bounced off the passenger door, and seemed completely unphased!