I'm... not nearly as extreme as the author, but pretty frugal. Not "rent out most of the house" frugal, but "make and stick to shopping lists", "spend a couple

I'm... not nearly as extreme as the author, but pretty frugal. Not "rent out most of the house" frugal, but "make and stick to shopping lists", "spend a couple of days mulling over a purchase of 0.05% of my income" frugal. My spouse is like you. Just a word of advice that you may already do. Please have very good communication with your wife about financial matters. This situation is very stressful for the frugal person, and it has caused all of our biggest arguments. The only thing we've found to help is very clear communication.