Tell me you’re an only child without telling me you’re an only child… ever wonder why you are the way that you are? According to Adler, theoretically, it is partly due to the order you were born in. Birth order is one slice of the personality pie
Links:
https://health.clevelandclinic.org/oldest-child-syndrome-and-birth-order
https://www.medicalnewstoday.com/articles/birth-order-theory#summary
https://www.webmd.com/parenting/what-to-know-about-birth-order