The Book of 1 Peter Chapter 3 (How to Live Godly)

Peter begins with the place submission plays in the marriage of the
believer, then about love, unity, and doing good. Then Peter encouraged suffering Christians with the example of Jesus and the blessing that came to Him.

Here is a link to David Guzik's commentary on 1 Peter 3:
https://enduringword.com/bible-commentary/1-peter-3/