We are going to have to deprecate an idiom or two. "I'm in two minds about something" now gives the wrong meaning.
I am too lazy to follow: (
So in order to stack all these effects to maximum effect: plan exercise before meal, plan mean before doing groceries.
Not sure how much the digestive neurons are involved with hunger actually, I thought its role was more about telling you which foods make you nauseous so you won't eat them, or subconsciously register which nutrients various foods have so you'ld crave the ones compensating for shortages more.