It is your responsibility as a parent to approach these issues when they turn into teenagers or you'd be dealing with a child who secretly meets and keeps in touch with guys/girls.
Be open about intercourse and explain to them what can happen if you open yourself up to unprotected sex.
While dad took the road never trodden on by mom; passing statements that pinched in the right spots was his way of handling us.
She would instead calmly sit us down and tell us how wrong that certain act was, how to not be the kind of person that most parents feared their kids would turn out as and to be careful with whom we mixed with.
Knowing how to be a good parent isn't easy in this day and age, where kids are turning into adults before they're barely teens.