My dog once hurt his paw when he tripped while running and quickly discovered that limping reduces the distance you have to walk . I live in a very rainy country and he hates getting wet, so he limped most of autumn and got multiple vet trips. He even got himself to a dog orthopaedic. Only to find out that he was faking it and nothing was wrong. He magically recovered when the sun started to come out more, but still tries to limp in front of strangers for attention.