‘Devil’s advocate’ was a real job until 1983. Any time the Catholic church wanted to canonize a saint, an official acted as the devil’s advocate by questioning the candidate’s saintliness and arguing against their supposed miracles. If the potential saint could hold up to the intense criticism, the church knew they officially deserved the title. (, )

The oldest sibling is usually the most well behaved. 1st-born children receive more parental attention in early childhood, and their main influences are generally adults. This leads to them developing better behavioral habits than their 2nd-born siblings, who get less overall attention and often learn more from other kids than they do from grown-ups. (, , )