I recently read the book "The Starch Solution" by Dr. John McDougall. His premise is that our digestive tract is designed to handle starches as a significant portion of our diet, and that by eating what our bodies expect we will lose weight and be naturally healthy. This perspective correlates with my own on diet; that eating foods that help our bodies feel safe leads to natural health. I also saw that I lost weight while living in Thailand and I attribute a portion of that to the fact that, while there, I ate a lot of rice.
So I started eating copious quantities of gluten-free steel-cut oats for breakfast and rice for lunch and dinner. My digestion stopped up for the first couple of days, probably because my digestion hadn't seen such foods in a long time and was trying to not squander the opportunity. But after consistently feeding it these particular grains my body is now quite happy with them and even craves them.