What I done last time and lose last time i will cherish what I have now?

What I done last time is maybe I am stupid and never think properly and that why make me have so many trouble today and make my loves which my parents get hurt and make my friends worry for me and now what i can do is to appreciate all the chance that I was given and cherish what I have now and be a good person will create any more problems to my family, friend and all my loves one  worry and angry le. I will change my temper and be a good person and do things right for me. I willing change myself and i am need time to do it. Thank you all my friends,family and my loves give me this chance to do my best and change what i have promise you all.  谢谢大家给我机会。。 谢谢你们！！ 我会做到给你们的。 我会改好好做人。