请帮忙改文章,What is the best behavior in our life?The help and ho

请帮忙改文章,What is the best behavior in our life?The help and hope.Let me told you a really thing what had happened with my own experience.I still remembered that was a summer vacation when I got on a long distance bus (limousine) to back home,Tianjing,after overnight train transportation from Xi’an to Beijing.Suddenly,a couple young started serious quarrel when the bus moved halfway.The girl with all her strength struggled with the boy.In that time,some of passengers who nearby that couple began to scream,those people looked so horror,as the young boy stuck into that girl’s chest with dagger and leaped off bus running away after pulled out the dagger.It was so terror everywhere was filled blood.The girl still bled and sat there waiting somebody’s help.Gradually,the most of passenger cooled down,they started to help that girl stop the flow of blood from a wound before the policeman arriving spot after someone called the police.During that time,all the people reach out their hand to help the wounded with their own ways.the instant请各位帮帮忙,把这个单词加入,并帮我改下文章,如有好的建议请留下.请不要在改动原文意思的情况下加入the instant，并给出合理的解释，如果加的好，