To get your spendings under control, you can't be micromanaging every decision. Instead, get together with the other people in your household and split up budgets for different things.
The One Good Thing By Jillee blog suggests copying the approach of successful corporations. The CEO doesn't do everything, and there aren't two CFOs to manage the same budget. So to "work together but not work on the same thing", she suggests:
Sit down and make a list of everything you spend money on…and divide it up! Don't stop until every item has an "owner". If both of you go grocery shopping randomly, you'll end up paying too much. If you both randomly pay the bills, you will probably miss a payment assuming the other person took care of it. Divide and conquer!
The full post has an explanation of all the responsibilities she and her husband have divided among themselves, along with several other tips to manage your finances. It makes sense to also to use a good budget-tracking app as well, such as Jumsoft Money for iOS or MoneyWise for Android.
5 Simple Tips For Managing The F-World… Finances! [One Good Thing By Jillee]