You don't need to fight to close sales, pressure people, push people.
You can ask great questions, learn about people, find out what caused their real successes and let people ask YOU if YOU will let them be your customer/client.
Variations of the question above is one I've asked thousands of people.
It is a real life trust & friendship builder. Use it manipulatively, it will backfire.
Use it as a new way of looking at people and learning about them and you will begin to see growth in the projects YOU work on.