My Son and My Best Friend’s Son Shared the Same Rare Birthmark—For Years I Believed My Husband Had Betrayed Me, Until One Envelope Changed Everything

The first time I saw the tiny crescent-shaped birthmark behind my newborn son’s left ear, the nurses smiled.

« It’s unusual, » one of them said. « He’ll always have a unique way to be identified. »

My husband, Michael, kissed my forehead and laughed.

« Good, » he joked. « If he ever gets lost, we’ll know exactly which little troublemaker is ours. »