I don't know whether you have done your calculations but, about two or three years back, I did a first assessment of what the first successful device would be worth and it came out at about 300 trillion dollars.
My stay-married secret would probably be exercising good communication, not when you have to but all the time. I think if you do that, you kinda just cleanse the situations, so there's not build up. I think that's probably the best way to do it.
That some Forms of Government are preferable to others, cannot be doubted; yet neither our Saviour, nor his Apostles have decided where that Preference is due.