Create opportunities when he needs them.

Why do beggars have no demand for our pens. Because he has a more basic need, which is the need for food and clothing.

Since you don’t have one, I will create one for you. I want you to sign for me. To sign, you need a pen. You can only receive food by signing, so we have one. I have a legitimate reason to sell you a pen, and you have a legitimate reason to consider my offer.