Human beings are much better at breaking up than they are at getting together. The instinct to get together is very powerful, but it doesn't last long.

A couple must agree on the following topics: 1) Do they want kids? 2) Do they want a dog? 3) Do they want sex? 4) Do they want sleep? (If they answer yes to 3 and 4, then they must answer no to 1.) And finally, 5) Who mixes the cocktails before they both don the sexy rubber gloves and clean the toilet?