If you seriously don’t understand how bacteria get in your innards, you should probably spend a couple hours reading about how your own body works, what with it being your sole manifestation in this finite life.

Firstly, indeed you’re likely to ingest some bacteria with crappy food from a shitty food place. Now guess which regions and social stratums are likely to buy prepared food more than others, instead of cooking at home, while you’re registered on feddit.uk.

Secondly, people occupying the same space have been shown to exchange gut bacteria pretty quickly. Unless you’re exclusively working from your own home, get ready to catch some helicobacter pylori or escherichia coli now and then.

P.S. It’s also possible for bacteria or parasites to re-infect you by being around your ass, mainly by remaining on your fingers after your scratch your bum. For which the cure is, don’t scratch your ass with your fucking fingers.