I had a colostomy in 2009 and an ileostomy in 2011. When the stoma nurse told me not to eat nuts (causing blockage), cabbage, broccoli, cauliflower (gas bloating), asparagus, onions... and other vegetables (producing odor), mushrooms, peppers... etc. (indigestion). I replied to her that I would rather die because I am a vegetarian and I do not want to live with only potatoes and carrots limited vegetables for the rest of my life.
Anyway, I was housebound for a year due to complications during the operation (it was an emergency life-saving, not planned), therefore lots of damages while digging my organs to find where was hemorrhaging, and I was in a coma for half a month after the operation, followed by a further three months in an isolation ward. I rebelled against the nurse, tested my body, and ate anything I wanted but also sensibly, since I was tied to the toilet anyway.
I started with only one mushroom, one broccoli flower, two asparagus, 3 almonds or walnuts...etc. Then I increased the vegetable and fruit amount, from one to two, to three..... I deliberately want my intestines to adapt to it, or re-introduction of what I have eaten before.. Of course, you can guess the result: all the symptoms warned by the stoma nurse came, I fart a lot, also bloating (colostomy bag is always full of air) leaks day and night. I really thought I would rather die than live at the time.....three months later the symptoms reduced, and then six months, one year..... I now can eat almost anything I want. After a difficult year, patiently allowing my body to readjust it.
Do I have symptoms now? Yes, occasionally, a few times a month. Basically, I can eat out with friends, but avoid too oily or too much sauces. It is always have more symptoms eating out than eating at home, but I still eat out at least once a week. What I wanted to say is I believe our body can re-learn if we give it time and patience.