PS - Alanon might be supportive for you as the parent, even if she is not using any substances, the issues are close enough.
Make dating without a chaperone a privilege.
If you are you are born that way.
I will love and support them no matter what.
This can actually limit their choices in the future.
Would you rather have a teenager addicted to alcohol or video games?
My mother-bear self wants to lay down the law and tell her no way in hell is she going to be dating an 18 year old who we know nothing about.
Then if she doesn't come out with the story, ask something more specific and reference the fact that someone mentioned amy shirley hot you that there is a rumor at school