""Tell me about your day. " instead of "How was your day?"
I do it when I really want to chat with a person and not get the usual "It's been OK" then nothing out of them after that.
Heard it on reddit a while back and I am amazed at how well it works. You get some info out of the person that you can maybe relate to, or help with or share similar ideas/stories."
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.