I am just enjoying some TED surfing and came across this talk by Al Vernacchio, who is a high school sex educator. It has lovely connections with PBs, especially in relation to internal Vs external realities. Obviously it is aimed for an American culture, but I think would still have enough resonance for UK audiences.
www.ted.com/talks/al_vernacchio_sex_need..._metaphor_here_s_one
and here is link to his web page which gives links to his other talks.... good stuff I think
alvernacchio.com/speaker/