Go ahead and aks her if she has ever been harrased or sexually coerced in her life. At what age and what happend. And then ask her if she has friends who have. Or how often she didn't think it was socially acceptable to say "no" or "fuck off".
This is not something just in our heads. We don't just freak out about nothing. Especially in a world were young white men are increasingly frustrated about the way the world "treats" them.
I have had enough guys try to follow me home or just obnoxiously trying to "be nice" while ignoring all the " I don't want to talk right nows" and "i don't need you to escort me home, reallys", thank you very much.
Its not about the danger of beeing raped or killed. Its about the fact that its uncomfortable enough as is even if nothing objectively bad happens.
Guess i just discovered a secret useless superpower...