If you aren't intentional, it's easy for life to be full of must-dos instead of want-to-dos. So before the year starts, book your fun.
What trips do you want to go on? (Hint, schedule at least one without kids, even if only for a night)
What people do you want to make sure to see?
What concerts, games, or music festivals do you want to go to?
Studies have shown that anticipation of a trip actually brings more joy than the trip itself and can last for up to 8 weeks before. Put them on your calendar. Take the time off work. Make sure they happen.