There are a lot of bacteria in the colon, but that doesn't necessarily mean it's safe to have them everywhere, even if they are your own. It would be necessary

There are a lot of bacteria in the colon, but that doesn't necessarily mean it's safe to have them everywhere, even if they are your own. It would be necessary to store poop dry, separate from urine, and to compost it to make it somewhat safe. Usually, a dry toilet is used for this. However, it might be difficult to install and operate the whole process if you're not living in the countryside.