What is the image you have of yourself?
Friendly makes sales - and friendly generates repeat business.
Failure is an event, not a person. Think of failure as 'it' and not 'me'.
The more a prospective customer clicks on you and your stuff, the easier it is for them to make a buying decision in your favor.
Great salespeople are relationship builders who provide value and help their customers win.
If you're not convinced, how can you convince others?