(Real Simple) -- So many big arguments begin with small comments. How many times have you started a conversation on friendly terms, then wound up in some kind of dispute that you didn't anticipate?

1. "Thank you for your opinion. I'll think about it." When you receive unsolicited advice at a family gathering, such as Aunt Sylvia's suggestion that you change your hairstyle, just smile and respond with this casual conversation terminator. Real Simple: Table manners refresher course

2. "Is this a good time for you?" Whenever I want my husband's full attention for a conversation and I don't want to compete with a football game on TV, I ask this simple question. If he gives me a green light by saying yes (and turning off the game), I proceed.