I think if your dog is having trouble eating their food and getting excited about it, suffering from depression, etc.,. then you walk them before you eat. Otherwise, you can walk them afterwards and they'll do just fine.
"If you try and take a cat apart to see how it works, the first thing you have on your hands is a non-working cat." — Douglas Adams
"Some people don't understand cat love." -- Ka-mai
Sara: "Well not everyone's as weird about the way they love animals as you are."
Me: "I don't know how to love any other way!"
Sara: "And that's what makes you so darn ADORABLE!"