That was my guess too. I remember telling my daughter that, as a little boy, I felt a deep embarrassment whenever I used the bathroom at a friend's house, and I would skip flushing. I convinced myself i was just a nasty, shameful smell. It wasn't until I became an adult that the simple truth finally struck me: everything that eats, poops. People, animals, insects… everything that eats, poops. If it doesn’t, it dies. Poop, wipe well, and flush. Everyone does it!