Kelly and Conley's 1987 study of 300 couples concluded that marital satisfaction correlates with lower neuroticism and good impulse control in men and lower neuroticism and limited pre-marital sexual experience in women. The idea that spouses are not capable of adapting to new circumstances. The idea that, one's spouse should know one's feelings and thoughts and it is unimportant to communicate them. The idea that a perfect sex life can guarantee stability. Parents can be reassured that clinical research supports the pastoral teaching of the Church on bringing up children.
Parents have a grave moral duty to prevent their children from committing mortal sins when they can.
This is to maintain confidentiality. The Psychology of Women, by Helene Deutsch. Psychiatry and Asceticism, by Felix Duffey. Quoted in . The Psychology of Men of Genius, by Kretschmer.