A controversial yet a very important issue. Specially for a Panth that revolves and emphasizes on Family Life. Sikhi never believes in leading a life of aesthetic and when all Gurus and the great Saints of our panth were family guys, why such kind of a censorship over such an issue that is central to leading the family life. As the World gets more open to sexuality and has moved towards the direction of opening up on this issue with even many schools making sex-education compulsory why can't it be discussed freely among Sikhs.
The openness towards sexuality has forced the Ancient teachings of Tantra of Hinduism , Buddhism (of Tibet) to come forward through literary and scholarly work. Even the Taoists of China and Zen of Japan have made their point of views open regarding this, even the Churches and missionary schools of the West had started discussing it freely (not all of course) ironically which always had a very harsh view towards the discussion of sex in Public.
Why we see it as such a taboo in Sikhi? A huge literature of Dasam Granth is always mocked and decried as it discusses the behavioural pattern of women through various stories which arises due to extreme lust and uncontrolled sexual behaviour. Even men's habits have been discussed. The 'Kalki Avtar' too mentions about the incest relationship that will exist AND REACH IT'S SHEMLESS LIMITS as the Kali Yuga progresses, Yet it is hardly discussed.
I WOULD LIKE TO INVITE THE VIEWS OF ALL MY BROTHERS & SISTERS IN THIS DIRECTION, WITH NO OFFENSIVE AND JUDGEMENTAL COMMENTS AND USE THIS SITE AS A PLATFORM TO AT LEAST THINK IN THIS DIRECTION FROM SIKHISM'S CONTEXT..