I firmly believe that anyone's skills in BD will always need development, you are only as strong as your last success!
Is it any wonder that when faced with a tough business development target – to be achieved on top of the day job – that most professionals feel daunted about business development, and suddenly want to become more confident at business development.
http://www.howtomakepartner.com/how-to-become-more-confident-at-business-development/