forgive me but I am trying very hard not to make generalisations. I can only speak about my own experience and my own experience tells me that my own sexuality wavers almost from day to day in the most uncanny way. I am now 53 with almost no actual sexual experience but I can only say that I am attracted not so much by age but by something quite different which is strangely not affected (even after the course) by the 'under-age' taboo that most people seem to erect within themselves very early on. I don't think the 'attraction' element is something within me - more something in the person to whom I am attracted. You might call that an 'environmental' element but it seems to me that sexuality cannot but be 'environmental' in at least one way and perhaps in more ways than we can understand.
As I think I have said before, when I was a 12 year old I longed for an adult friend who was definitely more than just a friend. At the same time I had powerful crushes on two or three boys at school who were 'opposite' to me in being sportsmen and physical and popular which I didnt feel myself to be. Later in my teenage years I had a powerful crush on a young doctor at the hospital where I had my appendix out. Later I fell head over heels in love with a 12 year old boy called A, before that a 7 year old called G and later a teenager just my junior aged 19 called J. The closest I got to a physical relationship was with a gay I met at a club but it couldnt work sexually because I hadnt a clue and I found that I couldnt do anything! That was the end of my emotional relationships really and after that, to fill the gaping void, I kept my distance and resorted to photography. (The camera was my defense) My 'boyloving' is really a reflection of my own inability to form an adult sexual relationship which works.