I'd say handling people is the most important thing you can do as a coach. I've found every time I've gotten into trouble with a player, it's because I wasn't talking to him enough.
My athletes always follow my advice... unless it conflicts with what that they want to do.
I believe your attitude is the most important choice you can make.
Don't be a spectator, don't let life pass you by
If what you did yesterday seems big, you haven't done anything today.
What's important now? - To evaluate the past, focus on the future, and tell you what you have to do in the present