It's good to think about. But you'll first be exhausted with disrupted sleep, diaper changes, tantrums, etc.

Step 1 is surviving the transition.

Step 2, Find yourself someone trustworthy who can watch baby for a time, even a few hours. Create regular space to unwind, and eventually think about important stuff with your partner. What DO we value in raising our kids?

Step 3: start living it. Which starts with both of you. Kids absorb actions much more than words. Having kids has forced both of us to personally grow both out of sheer necessity and desire to impart certain values

Step 4: adjust ongoing

With two young kids, I'm somewhere in between steps 2 & 4. Remember to be kind to yourself too