"Your personality is directly related to how you interact with other people," says William Cane, author of The Birth Order Book of Love, since the first people you interacted with were your parents and siblings.
Figuring out your own birth-order personality, and that of your significant other, is simply one strategy you can use to assess your compatibility, adds Catherine Salmon, Ph D, professor of psychology at the University of Redlands in California, and coauthor of the upcoming book, The Myth of the Middle Child.
Take Angelina Jolie and Brad Pitt, for example: He's a first-born and she's a last-born.
He nurtures and cares for her, while she brings out his creative side.
The distinct traits associated with different birth orders, some of which are outlined in 2003 study in Human Nature, can serve as a gauge for whether or not two people will make a good match.
Using Leman's book and the previous studies, we've identified the best (and worst) mates based on birth order.
But here's hoping this insight may just help you make better dating decisions in the future.
The older sister of brothers all her life has been taking care of little boys growing up.
The youngest brother of sisters all his life he has been taken care of by older sisters. And there is a direct positive correlation between their place in their birth families and the stability of their marriage. Dr. Leman is a former family counselor turned author and public speaker.
Finding the right partner can be challenging at the best of times.
To make things more complicated, psychologists believe that we might be more suited to each other depending on the order in which we were born.