One thief of joy is constantly trying to please others. Most of us want to be well-liked. But when that desire becomes a need, the outcome is often insecurity.When we feel insecure, we try to manage ourselves through others perceptions of us. This is a sure-fire way to suffer.In this week's Performance Tune-Up, I discuss what drives insecurity and what to do about it so that it's less present in your life. Follow me @therealjoeyklein or facebook.com/JoeyKleinIMS ...