Swing, thickness and general perkiness are what you're aiming for. To get the look:

If you have fabulous long hair in great condition, then who says it’s got to go? The one thing you don’t want is to get freeze-framed with an outdated look. You know it’s time to re-think your long hairstyle if you've had the same hair style as you did in your 20s.  If you want to avoid the time warp trap of long hair....