Children are complimentary to most endeavors. Maybe with them you won't get as far when measured by some metrics. But with them you will certainly better unders

Children are complimentary to most endeavors. Maybe with them you won't get as far when measured by some metrics. But with them you will certainly better understand the world at large. That increased knowledge helps no matter what you pursue. Another perspective is when should you start a 20+ year endeavor? There is no a priori optimal time so long as you are baseline ready for the financial and emotional responsibility.