Obligatory: I am not a doctor, I don’t know your life.
Jumping off the other comment suggesting a low-fodmap diet, do you have other health problems? What sounds like an extremely unbalanced diet (possibility in combination with a round of antibiotics or an episode of food poisoning) may have resulted in a condition called SIBO (small intestine bacterial overgrowth), specifically an overgrowth of methane-producing bacteria. I’d recommend getting tested.
*minorities
Given that the political situation we’re currently in is in good part thanks to poor education and reading comprehension, let’s try to get literacy back on track.
Hashtag no nazis but grammar nazis