A list of your income and expenses, no matter how complete, is not a spending plan, but is the information you need to create a spending plan. And, a paycheck_by_paycheck spending plan will help ensure the success of, or at least help prevent the failure of your budget.
The use of budgeting worksheets will make the process of creating and maintaining a budget so much easier. Many people don't live within a budget simply because they find the process of creating a budget so overwhelming. While it can be difficult to account for every dime you spend across several categories, the rewards of doing so can have a huge, positive impact on your future.