I was very sad, do not want to deceive oneself and others,这是

I was very sad, do not want to deceive oneself and others,这是 Do not want to be lost,I was very sad,you know? To deceive oneself as well as others I just want you happy, do not want to see you sad, I am will I want to cry!I don't know what can i do!I'm very sad! I don't want to hurt others ,also do not want to be hurt .So I do not do very ___ in Maths.I want to do better but do not they were very sad and did 't want to do anything . I would very much like you do not want to see you 是 I would I am realy sad,and I do not know what I to do do not do to others what you do not want others to do to you I want to do something very,very,but do not know how to do w