hi, i have a step sister i find very attractive. we do not live together. she lives with my my mom and her dad. im 18 and live on my own so. she is also 18. but anyways when i see her i get a nervous feeling in my stomach and i love her. she also told me when we were youger that she liked me, before are parents were married. i dont know if she still feels the same many years later. i want to have sex with her. is this wrong how to we both tell each other we still like each other