The model of sexual satisfaction explores the costs and rewards of a sexual relationship.

The correct answer is Interpersonal exchange

Interpersonal exchange

Is a model of sex therapy, it is done with couples to improve their sexual experience, for a better experience of the sexual experience, so that the couple can face sexual obstacles and that they can understand each other in the best possible way, a sexual facilitation therapy.

bacteria – a word that often brings out a sense of uneasiness in most of us are, in fact, one of the earliest forms of life. it can be quite unnerving to know that there are bacteria all over your skin, hair, and even inside the body. but only a few species of bacteria are dangerous. the majority of bacteria are good, and without them, life on earth wouldn’t be possible. let’s learn more about how are bacteria essential for you to survive.

answer; i do believe its (b) 12.5 years of age;