Whenever we go hiking and let the dogs off leash it is always our hope that they will run themselves silly. And Coco usually does, but Chuck inevitably spends the majority of his time marking every vertical object within reach. This can be maddening, I mean, MADDENING, because he delays the whole group. And seriously, the dude ran out of urine ten minutes ago. LIFTING HIS LEG IS NOT DOING ANY GOOD.