There is also self-styled sex guru Wei Siang Yu, better known by his nickname "Dr Love".
He recently launched an online sexuality education portal, which is aimed at providing young people with interactive online sex education in Singapore.
To be a board-certified sexologist, one has to complete between 300 and 500 hours of training in human sexuality.
Those who possess an academic degree such as a doctorate, like Dr Lee, would have completed between 3,000 and 5,000 hours.
What exactly is "Training in human sexuality"?????