you will probably have to wait till your 19 or then you can ask or you can just ask your older sister and then tell her that you heard one of your teaher talking about it
By choosing the right time to ask the question and asking without being accusing, if you can. There are so many variables to this, some questions by their very nature are going to be upsetting to...
Every girl is different some girls love it when you talk to them like that some are offended in a way there is no right answer to this question. Get to know her and maybe her personality will tell...