According to the Shostak, which of the following is FALSE about !Kung extramarital affairs?

According to the Shostak, which of the following is FALSE about !Kung extramarital affairs?

Suspected or confirmed infidelity often provokes intense feelings of jealousy and anger that commonly results in arguments or fights.

One is supposed to maintain some emotional restraint in relation to one's lover - the spouse is always supposed to come first.

One is supposed to be discreet about having a lover- for example, arranging meetings so that others are not likely to witness them and not openly discussing having a lover in front of one's spouse.

Infidelity is frequent in !Kung oral myth and history.

There is a sexual double standard in that it is acceptable for married men to have lovers but not for married women to do so.