Satan would have you believe that happiness comes only as you surrender to his enticements, but one only needs to look at the shattered lives of those who violate God's laws to know why Satan is called the Father of Lies.
Homosexuality is a violation of God's standard.
Evil is a violation of purpose, the purpose of your creator and mine.
The alcoholic and the drug addict harm only themselves by their behavior; the person who violates the rules of morality governing mans life in society harms not only himself, but everyone.
Destruction of the embryo in the mother's womb is a violation of the right to live which God has bestowed upon this nascent life.
The work of woman is not to lessen the severity or the certainty of the penalty for the violation of the moral law, but to prevent this violation by the removal of the causes which lead to it.