Ah. The bathroom. It has many names such as latrine, toilet and bog. A place where people can relieve the stress building up in their bladder and the heavy weight of shit in their backside. Its a freeing place. But in the apocalypse.... lets say what might be freeing from you if your intestines.

Public bathrooms in the time of an apocalypse is dangerous and a no go for me.

Open a stall, zombie (OF THE OPPOSITE GENDER, ATROCIOUS) turns around and has dips on where to start dinner.

While releasing yourself, zombie crawls in from the gap at the bottom and takes a bite right where the sun don't shine. OUCH!

I think you may have trouble reproducing and that's not just because your'e dead.