pup and important for you! if your dog has never met your friend's dog before, just be sure to introduce them outside of the house to limit any territorial behavior that your dog might express.
is there a restaurant with a dog-friendly patio near you? if it's within a mile or so, walk there instead of drive! this is a great way to get exercise with a delicious reward at the end of it. plus, after eating, the walk back home will make you feel satisfied after eating a yummy meal!
no matter what kind of exercise you get with your pup, you (and they) will have fun simply because you're with 