Or, why you should be motivated to FILL UP open spots and get within ONE SPOT away from the ball?

One spot away = Read Line Rule: If your defender steps over the Arc, then you have a chance at a lay-up!
If the ballhandler Dribbles-At you, you have a chance for a lay-up!
If the ballhandler Dribbles AWAY from you, there’s a chance to FILL THE OPEN SPOT behind the ballhandler and score 5 ways:Read Line
Curl the Puppydog
Catch & Shoot
Momentum Move
Receive the second Dribble-At if the Ballhandler performs a Double-Dribble-At.
If the ballhandler DRIVES on your side of his/her defender, you get to Circle Move into the NATURAL PITCH window – a very high percentage pass-receiving-scoring window!
If the ballhandler DRIVES on the other side of his/her defender, you get to Circle Move into the SAFETY VALVE window – probably the second highest percentage pass-receiving-scoring window!
There’s a 50/50 chance that if the ballhandler passes, you will have the ball with the ability to be the next DECISION-MAKER.
If the ballhandler passes to you, there’s a chance to pass to the cutter and get an ASSIST!
If the ballhandler passes to you, there’s a chance to DRAFT DRIVE the cutter.
If the ballhandler passes away from you, there are 4 scoring opportunities waiting for you when you fill the empty spot:Read Line
Curl the Puppydog
Catch & Shoot
Momentum Move
If the ballhandler passes away from you and the receiver executes a DRAFT DRIVE, you will be in the NATURAL PITCH window when you Circle Move!
If the ballhandler POWER DRIBBLES toward you, it’s a call for you to “Come-Get-the-Ball” and be involved in a Pick-and-Roll!
If the ballhandler POWER DRIBBLES away from you and if the Pick-and-Roll is executed naturally (in your direction), you will be in the NATURAL PITCH window due to Circle Movement!
Post this list in your locker room. Any player who does NOT know what each of these mean, does not FULLY know the PERIMETER BASICS of the Read & React!

From a positive viewpoint, there are 19 reasons above (check me on this) to be excited about mastering the Read & React OPPORTUNITIES when you are ONE PASS AWAY FROM THE BALL!