It's a controversial topic. Would you allow your teen to live with their boyfriend or girlfriend, or let them both live together?
Research from the CDC shows that by age 18, one in 10 women have lived with their boyfriend.
a writer from USA Today argues parents should let their teenagers "co-habitate," because it takes away the thrill of sneakng around to have sex.
Dr. Larry Curry, child and family therapist and Metro State professor gives his advice for what parents should do if this comes up, and how should they handle it.