As reported in Psychology Today, a new study finds that being opposed to recreational drugs may be one of many side-effects of being against casual sex.
A previous study found that religious conservatism can result from, rather than cause, a monogamous relationship. This reinforces the evolutionary life-history model, which claims a person's mating strategies are behind many of his choices and attitudes.
Humans build their world views and moral attitudes around their chosen mating strategy, or relationship model. If someone chooses to be monogamous, his world view
