Decide in advance what to fail at

List down one ultimate goal you have for this month.
Do you plan to focus more on work? On your fitness goals?

List down the most important steps you must take to achieve that goal.

List down the things you need to neglect or fail at to focus on achieving your ultimate goal fully.
Perhaps you decided to prioritize your children, so you only aim to do the bare minimum at work. It could also be letting your fitness goals temporarily lapse as you focus on election canvassing.

Live with a conscious form of imbalance.
Replace the high-pressure pursuit of work-life balance with a form of imbalance, backed by the confidence that the work you are currently underperforming or neglecting will be in the spotlight soon.