So many people in the U.K now own a dog and are gaining huge personal benefits by doing so. Regular exercise like walking can aid us to lose weight, keep us fit and helps to decrease risk of diabetes. Dogs are also regarded as man's best friend and so they should be as research shows that they help lower stress when you are stroking, patting and walking your dog which can also help with sociability, being out and about meeting other like minded people.. There are many dog owners now that volunteer and take their dogs around, schools, hospitals, hospices and care homes to bring a smile and some comfort to those all around. So a dogs purpose? Just to be there, love us how they do and give us all a whole lot of pleasure.