Author’s practical guidance
The rules you cannot agree on, and the three you must
Source named in the book: coparenting research (Feinberg)
Coparenting research finds that what helps children is agreement on a small number of things, not on everything.
Say this now
“There are three things I'd like us to match. The rest is yours.”
Small ask, and it gives ground first.
“Mom and Dad both say the same thing about this one.”
Said to the child, about the agreed three.
Do this
- Pick three that are about safety or health, not about taste or manners.
- Say out loud what you are not asking for. It is what makes the three possible.
- Write the three down in one message and leave it there.
- Say "we decided" to the child about all three, every time.
- Review them once a year, not weekly.
Avoid this
- Proposing a full set of shared rules. Guarantees a fight and produces nothing.
- "We agreed and you broke it." Turns an arrangement into a scorecard.
- Agreeing to things you have no intention of holding.
If it repeats
If even three cannot be agreed, hold them at your house alone and stop negotiating. A rule that is reliable in one home is worth more to a child than a rule that is theoretically shared and argued about every month.
Why the book suggests this
Coparenting research finds that what helps children is agreement on a small number of things, not on everything. Households that attempt a shared rulebook usually end up with a shared argument instead, and the child gets neither consistency nor peace.
Three is roughly the number two adults who disagree can actually hold. Choosing which three is the real work, and it is worth doing deliberately rather than discovering them one crisis at a time.
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