Growing up as the oldest daughter in a family shapes a person in powerful ways. From taking care of younger siblings to helping parents with household tasks, eldest daughters learn important skills ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Watching your friendship change when a close friend starts ...

It may sound surprising, but relationship dynamics with romantic partners can have their roots in sibling relationships. Sibling relationship patterns often are overlooked as a possible source for ...

Dating your sibling’s friend can feel like walking through a minefield of family drama and friendship complications. You might think it’s no big deal, but this situation comes with unique challenges ...

We like to think we make our own romantic decisions, following our hearts and learning from experience. But our friends’ relationships hold more influence over our love lives than we care to admit.

In past research, the term “friend” has been narrowly defined. Romantic partners, parents and siblings cannot be placed into the friend category. Pennington determined that this wasn’t realistic for ...