It is very crucial to talk to your son about the actual meaning of sex. As parents, you should be the one to explain to your children about sex in an early age because you will never know what might happen in the new media world that might effect your children growth in a long run. Sex education should not start at the age of 15 (as what Malaysian education system thinks that is the most suitable age for adolescent to start learning about sex) The education part should be far more earlier than that. After all, what is the harm with EDUCATION? you will never go wrong with a proper education.