You should always clean up after your pets.
Meagan is walking her dog on a beautiful day and a man is also walking in their direction.
Megan wants her dog to poop.
Megan's dog defecates on the grass next to the sidewalk, and she picks it up with a paper and puts it in the trash.
Megan's dog defecates on the grass next to the sidewalk, but she doesn't pick it up.
The man approaching walks over the spot where the dog pooped, but because Megan cleaned up, his shoes stay clean, and she feels like a responsible dog owner.
The man approaching steps in dog poop and Megan feels foolish.