If he got bored with it and wanted to trade it in, he would have to be responsible himself. At the same time there were three conditions: He would have to wear a helmet; he couldn't speed; and he couldn't refuse requests to use it as a family vehicle.
於是說好這部車將是父母買給哲和唯一的一部，以後騎膩了要換，就得自己負責。同時約法三章：必須戴安全帽、不得騎快車、不得拒當家裡的交通工具。