Take your hand and put it behind your back, right in the middle. Feel that hard thing there? It is called a back bone.
Now straighten up, take a deep breath, open your mouth and say, "No."
No is a two letter word that signifies refusal.
It is easy to say and the more you say it to bullies the better you will feel about yourself.
Embrace the gift of "No."

I’ve found that if you launch into a laundry list of the reasons why you choose not to support that charity the cashier will back-down pretty quickly.