Attitudes counts a lot, especially when you're in the sales industry. You might have read every single book about sales techniques, learned by heart the effective negotiation tips, constantly following up on your customers, but if you lack the right mental attitude, you'd still get frustrated about reaching your sales goal.
Getting in the right state of mind is the the most important element to succeed in the sales business. Anybody can get there, you just have to believe you can do it and practice these simplesteps: