Plus, feeling embarrassment about the most natural thing on Earth is just ridiculous. Also, do you know how bad it is to hold it in?
How do you broach the topic?
I know it’s not ideal to be plagued by a case of the shits, but -- speaking from personal experience -- being on the brink of an emergency rectal blowout is the easiest time to gracefully slip the act of defecation into the conversation. Be cool about it, ya know?
Start off with something like, "Babe, I love you, but what you're about to hear and smell in the next 10 minutes might change your life forever." Then, after you're all cleaned up, talk about what just happened. You might be pleasantly surprised to hear that your SO doesn't really care about the atrocities you committed in the bathroom. Check out this neat sample conversation.