People can undergo a sudden change of thinking and loyalties under threat of death or intense social pressure and isolation from friends and family.

Some people recovering from drugs or alcohol stay with the programs indefinitely, making the recovery program their family, a long-term source of attention rewards.

Children do not have to learn that streets are dangerous places by potentially fatal trial and error.

Primates will continue to play social games without the least insight into what is killing them.

Brigham Young had 47 children, and over 50 women as wives.

High status males had multiple wives or additional mating opportunities in the ancestral environment.

Could people be trained to be less gullible? Or are you as stuck with gullibility as you are with skin colour?