Well that and sex is pretty taboo to talk about with your parents, and so even if they know, they don't ask for ways to get them.
Yes and no, there were shifters at Xaviers. But none of them were the same. I just had to figure things out under supervision.
Laura is... She's special. She's not had any of the upbringing anyone here has, so... Not that that's an excuse for her being crazy pants, but it is one of the reasons. So as long as you don't shed too much blood I think you should be fine.