To be successful in sales, and in business, you have to learn not to get too hung up when prospects say "no".
No matter what you sell, you will inevitably face obstacles, rejections and refusals. You would think you might get used to this reality over time. But unfortunately, no matter how many times we hear it, a "no" is often a tough thing to take. It weakens our confidence level and hinders our ability to make sales.
I've been in several sales positions and have always had a hard time with "no." It always seems personal, like they would have bought something if I just did some minor things differently. If you want to learn better ways to deal with "no," check out the article.