Describe two techniques a noninfected person can use in order to live with an hiv positive spouse.

The question is asking us to describe two techniques a noninfected person can use in order to live with an HIV positive spouse. HIV is a sexually transmitted disease so one way to avoid getting it is to avoid having sexual contact - this can also be called a "white marriage". Another way to minimize the risk is to use a protection- condoms

The answer is b. increased blood flow reduces nerve sensitivity