However, he is dating a 15-year-old girl. I outlined the dangers of this relationship and he assured me that they were just friends. He then arrived at work sporting a love bite. I gave him the warning I would give any staff member, as it is not acceptable. He obviously hasn't listened to me but I have no proof that it has or will go any further. What do I do? Button - advice needed please I'm 18 and currently work with...