Share 'what were we meant to eat?'

what were humans actually meant to eat? this is a question i have been asking myself for years now. and since reading kevins first book, (will be reading the second one soon) he has inspired me to search for answers about what humans were really intended to eat. it would seem logical that fruits and veggies were absolutely intended to be eaten by us. as for meat, i really dont know if we are su...