Why your older sibling is smarter than you
Why your older sibling is smarter than you
- But science is increasingly showing that your birth order can affect who you are in different ways - older siblings are smarter on average, while the youngest are healthier and more likely to be gay.
- But science is increasingly showing that your birth order can affect who you are in different ways - older siblings are smarter on average, while the youngest are healthier and more likely to be gay.