2. Holy Half-Hour for Engaged Couples
4. The Living Sacrament: Matrimony by Mother Angelica
5. Resources about marriage, theology of the body and NFP
Jesus the Bridegroom by Brant Pitre
Three to Get Married by Fulton Sheen
The First Society by Scott Hahn
The 5 Love Languages by Gary Chapman (human tools through the 5 languages of love to communicate better as a couple)
Men Are from Mars, Women Are from Venus: The Classic Guide to Understanding the Opposite Sex by John Gray
Natural Womanhood: naturalwomanhood.org
The Sinner's Guide to Natural Family Planning by Simcha Fisher's (short practical introduction to NFP)
Men and Women Are From Eden: A Study Guide to John Paul II's Theology of the Body by Mary Healey (good summary of the TOB of JPII).
Theology of the Body for Beginners by Christopher West
You can also explore the Christopher West youtube channel. (It has lots of talks about the TOB).