Having an opinion is not the same thing as having an informed opinion.
If you don't know enough about a subject to speak intelligently about it, keep quiet and educate yourself.
When you meet people in an intimidating situation, like a job interview, etc. An easy trick is to imagine them as they were in kindergarten. (Don't talk to them like they'r 5 year-olds! But relate to them on a human level. We're all human - filled with talents and fears and insecurities. No matter how "important" or "unimportant" our station is.
Golf lessons this year. Your grandpa loved golf. He tried to teach me when he first got sick, and those are some of my best memories of him. Great way to get fresh air and exercise too.
Speak up when it’s called for: Fight injustice, stand up for others, etc. but shut the F up if you’re thinking about offering an unsolicited opinion or advice about anything you’re not personally an expert in.
Read (or listen to) The Greatest Generation by Tom Brokaw together as a family. It's broken up into small vignettes so it's easy to get through bit by bit.
Everybody emits energy. What sort of energy do you want to put out into the universe? Your thoughts, actions, prayers, struggles, laughter, etc. that’s all you. Your energy is all your own. Spend some time thinking about what kind of aura to want to have.