1. Don’t, don’t nag.
2. Don’t try to make your partner over.
3. Don’t criticize.
4. Give honest appreciation.
5. Pay little attentions.
6. Be courteous.
7. Read a good book on the sexual side of marriage.

Dale Carnegie (1888–1955) American writer, lecturer

How to Win Friends and Influence People, “Seven Rules for Making Your Home Life Happier” (1936)