I just read this and it is really good: 

http://www.desiringgod.org/articles/the-most-important-text-on-marriage?utm_medium=email&utm_campaign=Daily%20Email%206282017&utm_content=Daily%20Email%206282017+CID_004df66151014362c50918f82f10a360&utm_source=Campaign%20Monitor&utm_term=Continue%20reading%20this%20important%20truth%20to%20help%20foster%20a%20healthy%20marriage