2. No, really, just do it, don't think about it.
3. Because when they arrive, you'll have to do something about it.
4. Problem solved.
(Made a different sauce this year. 8 litres of tomatoes + 1 and 1/4 lb of butter + 4 onions + 4 tsp salt = butter tomato sauce. Yields 7 quarts. I doubled the recipe. Thanks to my friend Ann, for the recipe.)