Constantly stopping to explain oneself may expand into a frustrating burden for the rare individual, so ceasing to do so is like finally dropping the weights and sprinting towards his goals. Those who insincerely misunderstand, who intentionally distort the motives of a pure-intentioned individual, then, no longer have the opportunity to block his path; instead, they are the ones left to stand on the sidelines shouting frustratedly in the wind of his trail.
Miki-san... do you truly want that person's dream to come true? Or is it that you want to be that person's savior for making that dream come true? If you're going to fulfill someone else's dream, that's the time when it's most important to be sure you know your own wish. The two might seem the same, but they're entirely different.