"Say hello to everybody you know, and say it with a smile. Just imagine: If someone walks into you twice a year and both times you smile and greet them enthusiastically, they will think of you as a nice person. So little effort for a person to find you friendly!"
"Listen to someone without giving advice or asking for more information. This typically gets me more information than if I were to be pushy about it."
He said when his wife is talking to someone. Her conversation. Not as in the husband is looking to his wife for answers or approval.