Despite our four-year age gap, my younger brother and I are besties. And while some of my fellow firstborn friends find it odd, my brother and I openly talk about our dating lives. We tap each other ...

Birth order theory suggests the oldest daughter and youngest son are a perfect romantic match because they balance each other. This pairing harmonizes as the oldest daughter offers steadiness and care ...

If you’ve ever wondered why certain relationships feel naturally balanced, the Oldest Daughter, Youngest Son Relationship Theory might hold the answer. A growing trend on social media, especially ...