I do not yell at you in order to sell a product.
In fact, I am so relaxed that I do not even care if you buy.
Give me an offer though, and I will consider it.
"According to what one of the elders said, taking an enemy on the battlefield is like a hawk taking a bird. Even though it enters into the midst of a thousand of them, it gives no attention to any bird other than the one it first marked."
- Ghost Dog.