Growing up, I struggled to understand my younger sister's carefree attitude. Now, I can admit she was onto something.

Tech Insider : Business
The author, right, and her sister posing. The author is wearing college graduation regalia.
My younger sister is helping me be more present and calm as an adult.

Emily Bruck

As a firstborn, I know what it's like to be the oldest sibling. I empathize with how my daughter feels about the responsibility.

Tech Insider : Business
The author poses with her daughter in a park.
As a firstborn child, the author knows firsthand the pressure that her oldest daughter is experiencing.

Courtesy of Rachel Garlinghouse

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