Become more efficient and effective with time.

One of the big upsides of having a kid— you learn to utilize your time very very well. And it becomes a great filter:

What is truly important to you in your life, and what is not.

For example, labor saving devices as helping you do MORE with less time and effort. These are good. For example, Instant Pot, Air Fryer, Roomba, and even powerlifting at the gym (my whole workout is often only 30 minutes for squat, and maybe less than an hour for one-rep max sumo deadlifts).

Also, flying as better than driving (if you have the option).