Study Says Having a Sister Makes You More Optimistic, Kinder, and Happier


If you’ve grown up alongside a sister, you might not always have been 100% grateful for her.

Arguments, fights, shouting, and—for those with an older sister—the unsolicited ‘advice’ might have played a role in that.

Yet while having a sister to grow up beside might not always have been awesome, findings show having a female sibling can make you a good person. 

Research from Brigham Young University (BYU) finds growing up alongside a brother or sister encouraged kids to do good deeds, be kind, and help others. 

The evidence revealed that having a sister lead to even more of these good behaviors, irrespective of your age differences. 

Evidence for the advantages

“Having a sister protected adolescents from feeling lonely, unloved, guilty, self-conscious and fearful. It didn’t matter whether the sister was younger or older, or how far apart the siblings were age wise,” findings revealed.

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