You should ask first before you eat someone's food.
Jake has to work through lunch and doesn't have time to go buy take out.
Jake wants something to eat.
Jake asks a coworker to get him some takeout when they go out for lunch.
Jake grabs someone else's boxed lunch from the employee break room fridge.
Jake is able to fulfill his work commitments and get something to eat.
Jake is embarrassed when the owner of the food confronts him.