I'm happy I was an only child. It made me more independent and I got more financial support from my parents.

Courtesy Sandrine Jacquot

• I always wanted siblings while growing up. I wished I had a sister to answer questions I had. 
• But I've realized there were benefits to being an only child as I've gotten older.
• I learned to be independent and my parents had more time for me.

When I was a little girl, I used to ask my mom to adopt another child so that I could have an older sister. I wasn't lonely — I had plenty of friends and got...