Wisdom from Second City Improv
(Taken from the book, Yes, And: How Improvisation Reverses "No, But" Thinking and Improves Creativity and Collaboration--Lessons from The Second City

Look people in the eye when you meet them.
Smile.
Don't check your texts or e-mail when someone else is talking.
Be curious.
Try to eliminate the word "no" from your vocabulary for just one day.
When you are wrong, acknowledge it, say you're sorry, and move on.
Forgive yourself and forgive others.
Don't be [a jerk], and don't abide [jerks].
Be on time.
Excel at preparation.
Ask yourself, what is the problem you are trying to solve?
Make your partner look good.
Respect, don't revere.
Listen to the whole person.
Read the room.
Share the conversation.
Love your work.
Applaud others.
Say "we" rather than "I" whenever possible.
Consider that you might not be right.
Open your door.
Try not to work out of fear; work from a sense of possibility.
Understand the audience you're trying to win over, and give them a role.
Be an improviser. (less)