Do teachers dating former students
This is one kind of relationship that our society frowns upon much the same way it condemns child abuse or paedophilia.
A teacher-student relationship is by tradition, considered sacred.
The degree to which the teacher-student romance is abhorred depends usually on the age difference between the two.
To make oneself the destination of a child’s love is to fail to grasp something central to teaching.
Sometimes you have the odd case when a student misconstrues the intentions of a loving teacher. In this case, the teacher is not to blame but it is the student who needs counseling.
A primary school teacher who is involved in a sexual relationship with one of her wards will elicit the most outrage and is prosecuted as a criminal.
High school teachers who sleep with their students are likely to be called "slimy" or "irresponsible" rather than sick or evil.