Always good to get an update from you. Anyone who thinks they have it bad should read your old threads. You did have a crazy time and the story could be the plot of a movie! At least you haven't had a boring life.
I do think that people mature with age. When I think back to how flighty I was in my 20's, it's so strange to me now. I hope that motherhood serves to settle your wife down.
My sister has a theory that people only think they do things for rational reasons. She says that we are just driven by hormones. And then we try to justify the things we do by coming up with reasons. But really, it's all just hormones raging.