At the time, raising greyhounds was the Chang family's business. Chang Sheng-kai feared that when he grew up he, too, would live a monotonous life of washing and feeding dogs.
當時張勝凱的家族本業是飼養賽狗，他很怕自己長大後，也要踏上每天洗狗、餵狗的單調生活，「只有踏上單車奔馳，越騎越快，彷彿才能象徵性地遠離那種乏味的生活。」