Don't forget that at the end of the 70s people were much more into wild experimentation and hedonistic adventures. There was not really a fear of sexual diseases like HIV or aids back then, all that came later.
Eddy de ClercqI was born in Belgium and moved to Amsterdam when I was 17. I am not a Calvinist Dutchman but a Catholic Belgian. I think that makes a big difference.
Eddy de Clercq