"Do you need a bag for your dog's poop?"
"Nope, he's just peeing, and see, I have a whole roll of them attached to my leash!"
"Are you suuuuuuure?"
"Yep, I hate it when dog owners don't clean their dogs poop out of my yard, so I would definitely never leave poop in someone else's yard!"
She kind of looked at me incredulously and slowly went back inside. I don't think she believed me.
A block later, Linus pooped, so I picked it up (like I always do) and then walked back by that lady's house, swinging my full poop bag, so that she knew I was telling the truth.