Brad and Carol are brother and sister. As twins they grew up being very close... mentally and physically! Now in college and sharing an apartment, they become lovers. This leads to interesting sex and then concern about how or if they will tell their parents...
Liz was fourteen and pretty much obsessed with sex. Far from unique in itself, but it was made worse because when she was aroused, which was often, she tended to make some pretty poor decisions.
It's awfully hard being in the middle, my older brother was always taller and stronger than me, while my younger sister was always my parent's favourite and she had all the brains too