Negative Mitzvah 250: It is forbidden to cheat in business deals
Leviticus 25:14 "You shall not defraud one another"

We are forbidden to deceive or cheat another person when conducting business with him.

---

Woman have a greater sensitivity to emotional issues than men. So when there is a quarrel, generally it is the man's job to concede to his wife.

From: Bringing Heaven Down to Earth by Tzvi Freeman - tzvif@aol.com