I would also add...
...that if they didn't live there, then the kitchen would always be free for him to use, so every time they use the kitchen and he wants to eat he will be suffering from their actions because he cannot cook his tea whilst they are cooking theirs, thus going hungry. So they should always cook for him if they are cooking for themselves and he is hungry.

I like this, but there is a fatal flaw. You're assuming women can be reasoned with, which I think you'll find is impossible.
(Brigadier Arthur Charles, Mrs, Thu 19 Feb 2009, 18:26, Reply)