I was trying to figure out the next beat in the story and decided we needed a little intermission where we saw life at home.
They can't walk the dog so it pees on the roof, it gets hosed down after.
I also figured John might take the opportunity to pee while up there as well.
I know it's horribly crude and probably has happened in zombie flicks already... but it made me giggle when I came up with the idea so I drew it.