It is quite easy to rest on one's laurels, fall into a certain routine and stop focusing on constant improvement of one's abilities. But the art of selling is like a car: if you do not check it regularly and you do not have an auto mechanic look at it, after some time it will break down.
By then it will be too late for maintenance. From a psychological point of view, the beginning of a new year is a good time to make a sort of a personal audit and revise your sales methods point by point.
