First, get a craving for Salmon for dinner at 4:30 in the afternoon, when your children have not napped yet.
Next, notice that if you buy 10 pounds or more of beans they are only $0.78 per pound and buy some.
Third, because you drug tired and hungry children to the store and expected them to behave and they did not comply. Have them snap all the beans when you get home so that you can cook some and can some. Then, let the 2 year old 'help' snap the beans (instead she ate some and spit some on the ground).
This is a perfect recipe for the torture of a 6 year old.