We can now store food longer. We can also get places quicker. Therefore, they can keep food good longer and get it to people quicker. This is a perk for everyone.
The answer is D.
Well, I would say that nagging someone is always a bad idea, especially if your wife just went through something like childbirth recently. Ignoring her isn't going to improve his relationship at all either if anything, it will hurt it. Just accepting and doing nothing will not make the relationship any better either. So the answer is D. Talk to and spend more time with her.