Your first order of business should be to either pour yourself a cocktail and relax, or pop a Prozac. Don't know you from Adam, but you sound depressed, brother. Now say this whenever things start to feel a little overwhelming: I'm a sailor damn it. I can handle anything.
Your next two orders of business should be to tackle your engine problem. There are lots of wonderful people on this site who will answer your specific questions. Start coming up with specific questions for them. Once you're mobile, your mood will improve. Your wife's headaches might even go away. Might want to buy her a great big bag of pharmaceuticals just in case.