People try to violate boundaries all the time. You can’t control that. You can’t control others. All you control is your own boundaries.

“Can i borrow money from you?” “Sorry I really don’t have any extra money to lend good bye”. “Can i tell you story of my life?” “Sorry I have to figure my own life first good bye”. “Can we have sex?” “No I am not interested good bye”

Practice to say no

As about school nurse, molesting a high school student falls into a different category here.