Image isn't mine. Will remove if requested.
Jon grew up in a fairly quiet neighborhood. Nothing of interest happened at home. No, all the interesting stuff that was going on was happening out there. Unfortunately for Jon, out there meant far from home. Deciding at an early age that he did not want to live the same boring life in his quiet suburban town he set out just one goal in life. To move to the city.
And move to the city he did. The very moment he was able to leave his house he did. Not knowing what exactly to expect Jon set off on his adventure leaving behind the quiet and comfort of suburbia and moved into the big city. There life began anew for the fox.
Living in the city exposed him to all sorts of new wonders. First was all the people that lived there. So many of them, each a different species. He was almost sure that he had seen more people in his first day living in the city than he ever saw at once when living in the suburbs. Getting a job at a local book store the young fox had a steady income to allow him to see all he wanted to see and more.
The default setting in which Jon lives is a world where vore is a common occurrence. Furry's eat other furry's on an almost daily basis, and none find it strange or odd.