I also offer a self-study course called Creating Healthy Partnerships. It is a six week course that can be done in 30 minutes a week and 10 minutes a day, that sets a great foundation for your new life together!
Find it here: https://itsasyoulikeit.com/healthy-partnerships-class
Here are a few book recommendations off the top of my head. I will probably add more as I think of them.
Getting the Love You Want- Harville Hendrix
How We Love - The Yerkovich's
Seat of the Soul- Gary Zukav
Conscious Loving- Gay and Katie Hendricks
Holding Space- A Guide to Supporting Others While Remembering to Take Care of Yourself First- Amanda Dobra Hope :)