But I like to think that I hold on to that single, cold pellet of metal as a reminder of how tenuous life is and how one impulsive act can have immense and rippling consequences.

• 我只保存了那一颗冰冷的子弹，希望提醒自己生命何其脆弱，一时冲动就可能造成巨大且影响深远的后果。