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.
The greatest power God gave us is the power to choose. We have the opportunity to choose whether we're going to act or procrastinate, believe or doubt, pray or curse, help or heal. We also choose whether we're going to be happy or whether we're going to be sad.
Your neighbors will make judgments about you based on how your lawn and house look, and people who see you passing will judge you based on how clean you keep your car. It's not always fair, but it has always been true. Appearances matter, so make yours a good one.