So you are a horny teen hoping to have a hot threesome with your girl of the month. She is not having any though, but she is definitely considering it. So what is the right approach to having this kind of sex? Is it better to go to a hotel room and have a "blind date" or do you have to be discreet about your intentions and not tell anyone she is with you? You should follow your heart, but there are some pros and cons to having a threesome with your teen girlfriend and NOT her daughter. Here are the pros and cons for you to consider:.