It’s difficult to change any aspect of your personality by sheer force of will, and if it is a weakness you choose to work on, you probably won’t enjoy the process. If you don’t find pleasure or reinforcement along the way, then—unless you have the willpower of Ben Franklin—you’ll soon give up. But you don’t really have to be good at everything. Life offers so many chances to use one tool instead of another, and often you can use a strength to get around a weakness.