Pennyy9 said:
First of all, good work on the writing, truly. Some people post like children and are immediately discredited as such, you seem to have actually put some thought and effort (if you can call it that, I suppose for some it would take none) to write this. So yeah, case in point, well done.
Secondly and more to the point, I think its just a matter of you compromising your religion. If she truly believes in god and that religion then it may well mean damnation for her son, or simply she feels betrayed that you would do something she had forbidden as part of her own identity. Its difficult for me to understand a religious person's perspective, especially when I don't fully understand said religion's laws/customs, but are you here to say that her reaction isn't just or the her religion? You seem clear in understanding that she loves you however, which is great. (Here it seems parents are more neglectful than anything)
As for the case of having sex before you're 18, here it is legal at 16 and I've heard of orgies and sexually active couples at the age 14. My position on it is that its fine if you're mature in mind, and you seem to fit that.
In any case, I'm sorry for the girl, her loss (it would seem).