I read recently a lot of opinions about gut flora. I have heard that we get our flora at birth and in childhood and what you get is what you get. After that it's highly unlikely we can change it much. I don't know if that is true.
I have also recently read that gut flora might have something to do with obesity, that if you give a fat person the gut flora of a thin one they lose weight. I have no idea if that is true, either.
I was born vaginally and breast fed. I grew up in the 60s and 70s on the SAD, which means pre-HFCS and back in the time when mom cooked everything from scratch, bought bread from the bakery, used margarine, crisco, white flour but basically nothing made by corporations. Not a great diet but not as bad as nowadays. Your basic meat and potatoes and strawberry jello salad cuisine. It's possible that my childhood diet either a) influenced my gut flora or b) influenced my general metabolism, or both.
I recently was given a book with pictures of me going back to babyhood. I have always been chubby. Rounded limbs, thick waist, sturdy build. Just a little bit fat. My weight has fluctuated and I recently brought it down with a paleo diet. I was able to effortlessly reduce my weight back to that same set point I had as a child. With exercise I can play around with being more or less muscular, but I remain basically the same rounded and sturdy shape and never get much smaller than I am now.
I'm sorry this question is so poorly written. Do you think that there is a possibility that your gut flora determines your weight set point? Would it make sense that what you were as a child is your potential as an adult, that your gut flora really is set in childhood and that's pretty much your lot in life?