Will this savings account convince my wife?

In a lot of couples pursuing FIRE one is more “on fire” than the partner. This is also the case for us. My wife is not against the idea of early retirement, but she would like to continue working. Her spending is sensible, but to cut certain expenses is a hot topic. From time to time I bring these topics up – constant dripping wears away the stone.

A few months ago I had an idea. We both want our next car to be a camper van. We almost bought one a few months ago. My idea was to open a separate savings account and transfer each month the amounts of all saved expenses. When we cancelled our sport club membership, we now transfer the exact same sum each month to our new savings account. Also, when we sell something on Ebay (or our local equivalent of Craigslist). Or when one of us earns extra money.

From the beginning of 2016 we saved already over 2.000 Euros. Saved expenses is just below 40 Euros (one month of sport club membership), but this will hopefully grow. I hope this will motivate my wife to look for (regular) expenses we can cut.

How did you bring your wife onboard?