I'm thinking a dollop of milk in your tea or coffee is fine.
Maybe grab a hotdog or a slice of cheese.
Anything going bad is free game. After all there's starving kids in China.
But what is crossing the line? Canned foods is okay to eat as long as you throw the can out in the outside trash.
Take out food is okay to eat but only one bite of each item in the tray.
Discus.