In any context, I dont think that a normal person would develop romantic love for their spiritual guide unless it is under special circumstances, such as in the case of the lay lamas were their consorts are in reality dakinis who assist the lay lama in their tantric practice but appearing as normal people. It would be very similar to incest as a teacher/Guru is not too different from a spiritual father. How could anyone have any romantic feelings towards someone who is their mentor unless they have certain issues prior to that? After all, Buddhist practice, as I have discovered from my own experience, especially when it comes to applying Guru Devotion, uncovers a lot of mental issues and mental scars that happened throughout the years and then we have to face them. At this time as well, the teacher will assist the student in healing these scars so that they can become a better person. In this vulnerable time, it is perhaps that some people might mistake it for romantic love.
To me, it is a very obvious sign that this individual would need to really introspect themselves and find out what is wrong.