16 Only children are mature beyond their years.
With their parents, rather than siblings, serving as their primary role models, only children tend to have an air of maturity not often seen in their counterparts with siblings. “Only children are like older siblings in many ways—particularly when it comes to their maturity. Super responsible, perfectionistic, and also have difficulty handling criticism. This is true because they must shoulder all of their parents’ expectations—a heavy load,” says Krawiec.
