WHY they do it:
No one ever explained prostitution to them, or why prostitution is wrong. A heart to heart talk with a woman in her 30’s or 40’s who has ruined her life with this sort of behavior would be a good start.
Read this lady's book. She's been there and done that, and lived to tell about it.
In many ways, this is worse than prostitution. Prostitutes realize that what they are giving away is valuable and ask for payment in return. Many of these women are giving everything away and getting nothing in return (except maybe cervical cancer from HPV, AIDS, some other STD, or an unwanted pregnancy).