Most people have a complicated relationship with money. Now, add one more person into the mix and... boom, enjoy the show. Money within couples tend to exacerbate many trends and behaviors. I'm building a life with Mathilde for more than 18 years -we've met when we were 17 years old- so we spent our fair amount of time dealing with the topic, taming it, ultimately mastering it according to who we are, what and how we want to build our family.