well, without wanting to be judgmental this whole thing is wrong on so many levels any way you look at it.
1. this is all made up, the 18 year old is actually a middle aged women or man trapped in his or her fantasy world. Except the fantasy has taken a life of it's own and way out of hand.
or
2. she is for real and need of some serious help, not just for herself but the child or children born or unborn. And I hope it is the first..