Here are the books we referenced ...
Florence Littauer - personality plus couples
https://www.amazon.com/Personality-Plus-Couples-Understanding-Yourself-ebook/dp/B007108UFE/ref=sr_1_2?dchild=1&keywords=florence+littauer+personality+plus+couples&qid=1586130071&sr=8-2
And ... 10 Ways To A Stronger Marriage
https://www.amazon.com/Ways-Stronger-Marriage-Trey-Morgan/dp/1702369862/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=1586130144&sr=8-2