Part 1
They are not wrong, and by looking at society and the results of an over-sexed, anything goes mindset, it should be obvious that the fruits of sex whenever and with whoever I want "without" consequences proves the Church is right. 50 million abortions or more, broken families, blended families, child-abuse, confusion over sexual identities, etc. No, following the Church's teaching on sex within a marriage between a man and a woman doesn't usually cause this type of mess we have been stuck in for decades now.