The major reason of failiar in sales is FEAR. If you have fear that your prospect will reject you, its mean that you not meet will new prospect and you sales fail before in the begining.
You must attend proper training and have to have proper knowledge about your products and services and repetition of your product. You must have believe in quality of your products.
Change the method of your presentation. Improve the method of communication. Give positive answer to your prospect and client.
Lets join hand and start combat again this innings is yours.