Another Angry Womanwhy is it that only some farts smell like poo? it would make sense for all farts to smell like poo or for no farts to smell like poo but there must be a reason why most farts smell like farts while the occasional one smells like poo
Gretyl 
@stavvers gut chemistry is an ongoing battle of fuel (the food being digested), your intestine directly acting upon that fuel, your gut microbiome interacting with the fuel and all three of those in a very active bidirectional feedback loop