Also: A boy who learns about it calmly at 8 is far less likely to become the 13-year-old who thinks periods are something to mock or fear.
✅ What should happen now:
Instead of turning this into a “she crossed a line” case, treat it like a co-parenting communication problem.
Say this to your son: “Hey, I’m glad you asked questions and got answers.
Periods are normal.
If you ever want to ask me stuff too, you always can.”
Say this to the stepmom: “I understand why you explained it. I appreciate that you kept it factual.
Next time, if it’s a big topic, I’d prefer we coordinate.”
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What he overheard her saying to his son in the dark left him questioning everything about their marriage.
