His desire to protect his kids was leaving them without truth, understanding or real support. Faith, family bonding and support - these are the tools that will help your children cope. Wanting kids to be happy isn't a bad thing. Parents should protect children from the ugliness that prevails in popular culture. But protecting kids from life's moral and physical challenges is not good, and can be damaging.
Promiscuity is dangerous.
We must do everything to keep kids from sexually acting out. This means preventing kids from getting into sexual situations. Let kids know you aren't just paying lip service to chastity. Parents have no obligation to tell the truth about their own adolescence. Tell kids that sex can be no more significant than scratching a powerful itch, or an extraordinary blessing in the context of commitment.