One of the ways to save is to move money (you can do this by direct deposit) to an account that is not easy to access. Move it to a different bank, where you don't have a debit card, etc. That way it's gone and done and you don't see it or touch it. When I worked FT, I had money that went to the house account (we totalled our joint bills and added to that account based on % of income). Then I had money for my 401K, money to savings and whatever was leftover was mine for my bills and personal spending. Since so much was automated, I didn't even have to think about it.
The other thing, for me, is to look at alllll the things you buy. Write down every latte and every candy bar for the kids. Look at what you REALLY spend and on what. You can nickle and dime yourself into debt. Challenge yourself to not buy just anything, but really consider what you buy. WHY do you eat out? Could you buy some food at the grocery store for a quick meal at home? Do you not plan ahead and never know what's in the fridge? Could you learn to cook quick meals if you are always looking for something quick for dinner? We eat in more when we plan ahead. If you have food at home that will spoil, it's incentive to actually cook it.
Why do you get stuff for the kids? When? Do you buy anything for the next season on clearance? Do you have a plan when you spend or do you just spend? If I go to the grocery store and plan to spend less than $250 for our family of 4/5 (dep. on who is home) and I use one of those scanner things, I stay a lot closer because I see it rack up. I weigh my fruit before scanning and putting in the cart so I see that those grapes are $9 - and I think "do we really need $9 grapes?"
My SD didn't understand for a long time that credit cards are borrowed money. We sat her down and showed her how minimum payments would take forever to pay off and how every month x was accrued (and wasted) on interest. It was an eye opener. Look at all your credit cards and tally up the interest. That's money you are throwing away. When you make payments, think about the interest you are saving.
I would also meet with a financial advisor to look at your savings, your retirement, your debts and your goals and help you create a plan. Then DO it.
It's not just a budget. It's a mindset. You need to get to the bottom of why you want to change and where you got your spending habits. It's not that it's not fun to plan ahead - you just need to have the right goals and once you start reaching them, it's exciting to pay things off and know that if someone loses his/her job, you have a buffer. Or that you can afford that new car for the bigger family. Etc.
If you feel like you have a mental block on really putting your finances in order, consider counseling to find out why. Sometimes people spend to make themselves feel good short-term...but the real issue is that they have emotional needs that are not met. My mom is one of those emotional spenders and nickles and dimes her paycheck away. You've done financial programs 3 times now. What's stopping you from success with that knowledge?