Test analysis: The most inspirational weight-loss brother's weight-loss experience tells us that a strong-willed person can overcome setbacks and difficulties. A wrong, there are many conditions to realize your dream. Strong will is one of them, so this statement is too absolute. B is wrong. Some people have experienced setbacks and honed their strong will. Some people will be intimidated by setbacks, but they will not be strong. This statement is too absolute, D is wrong, yes.