I had a dream 2 nights ago that I was having sex with my Mentor, who happens to be a 56 yr old Male. I am straight, he is straight, hes teaching me everything he knows about business. The dream was somewhat lucid as it occured just a few minutes before I had to wake up to work. He was on top. In the dream I felt as If I was just in it for the pleasure. This is more disturbing than the time I had sex with my mother in my dream. I should add, and this is probably rather important, I was about to climax relatively quickly into the encounter but somehow was able to control the ejac, probably for fear of being reprimanded. Now if only I could have that mind power in real life.
This reminds me... In a dream I had sometime ago one of my female teachers (a lot older than me) was kissing me and I was enjoying it. Such dreams are not literal. Some displacement may have been done. So in fact those persons are a disguise for someone else.
It may be you have much respect for this teacher, you may feel so comfortable around him and trusting that your dream reflects this but in an amplified way.